[=Pascal][=PascalABC][1-14]
var x, y: real;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(x, y);
[1]
  if x*x + y*y >= 4 then
    if x >= -2 then
      if y <= -x then
[2]
  if x*x + y*y >= 4 then
    if y >= -2 then
      if y <= x then
[3]
  if y >= x then
    if y >= 0 then
      if y <= 2 - x*x then
[4]
  if y <= 2*x*x then
    if x >= -1 then
      if y >= 1 then
[5]
  if y <= 1 then
    if y >= 0 then
      if x >= -1 then
        if y >= x*x then
[6]
  if y <= x then
    if y <= -x then
      if y >= x*x - 2 then
[7]
  if y <= 1 - x then
    if y >= 0 then
      if x >= 0 then
        if x*x + y*y <= 1 then
[8]
  if y >= -1 then
    if y <= x then
      if y <= 0 then
        if x*x + y*y <= 1 then
[9]
  if y <= 1 then
    if y >= x then
      if x >= -1 then
        if x*x + y*y <= 1 then
[10]
  if y <= x + 2 then
    if x <= 0 then
      if x*x + y*y <= 25 then
[11]
  if y >= x*x - 6 then
  begin
    if x*x + y*y <= 16 then
      writeln('Принадлежит')
  end
  else
    if x >= 0 then
      writeln('Принадлежит')
    else
      writeln('Не принадлежит');
[12]
  if y <= sin(x) then
    if x <= 3.14/2 then
      if y >= 0 then
[13]
 if y <= 1 then
   if x >= 0 then
     if y >= sin(x) then
[14]
  if y <= 0 then
    if y >= -1 then
      if y <= cos(x) then
[1-4][6][10][12-14]
        writeln('Принадлежит')
      else
        writeln('Не принадлежит');
[5][7-9]
          writeln('Принадлежит')
        else
          writeln('Не принадлежит');
[1-14]
  writeln('Программа завершена');
end.
[15]
var c: real;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(c);
  if c > 0 then
  write('нет решений')
  else
    write('x = ', sqrt(-c):0:2, ' или x = ', -sqrt(-c):0:2);
[16-21]
var a, b: real;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(a, b);
[16]
  if a = 0 then
    if b = 0 then
      write('любое число')
    else
      write('нет решений')
  else
    if b = 0 then
      write('x = 0.00')
    else
      write('x = ', b/a:0:2,' или x = ', -b/a:0:2);
[17]
  if b = 0 then
    write('x = 0.00')
  else
    if a = 0 then
      write('нет решений')
    else
      write('x = ', -b/a:0:2);
end.
[18]
  if a = 0 then
    if b > 0 then
      write('любое число')
    else
      write('нет решений')
  else
    write('x > ', -b/a:0:2);
[19]
  if b = 0 then
    write('x > 0.00 или x < 0.00')
  else
    if a > 0 then
      write('x > 0.00 или x < ', -b:0:2)
    else
      write(-b:0:2, ' < x < 0.00') ;
[20]
  if a = 0 then
    if b > 0 then
      write('нет решений')
    else
      write('x > 0.00 или x < 0.00')
  else
    write(-a:0:2,' < x < 0.00');
[21]
  if b > 0 then
    write('x > ', a:0:2,' или x < 0.00')
  else
    if a > 0 then
      write('0.00 < x < ', a:0:2)
    else
      write(a:0:2, ' < x < 0.00');
[15-21]
end.
[22]
var N: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  while N > 10 do
  begin
    N := N mod 10;
  end;
  write(N);
end.
[23]
var N: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  while N > 10 do
  begin
    N := N mod 100;
  end;
  write(N);
end.
[24]
var N, digit, maxdigit: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  maxdigit := 10;
  while N >= 10 do
  begin
    digit := N mod 10;
    if maxdigit < digit then
      maxdigit := digit;
    N := N div 10;
  end;
  write(maxdigit);
end.
[25]
var N, p, digit: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  p := N mod 10;
  while N >= 10 do
  begin
    digit := N mod 10;
    p := p * digit;
    N := N div 10;
  end;
  writeln(p);
end.
[26]
var N, s: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  s := 1;
  while N > 1 do
  begin
    if N mod 10 <> 0 then
      s := N mod 10;
    N := N div 10;
  end;
  write(s);
end.
[27]
var N, digit, maxdigit: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  maxdigit := N mod 10;
  while N > 0 do
  begin
    digit := N mod 10;
    if digit mod 3 = 0 then
      if digit > maxdigit then
        maxdigit := digit;
    N := N div 10;
  end;
  if maxdigit = 0 then
    writeln('NO')
  else
    writeln(maxDigit)
end.
[28]
var N, cnt: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  cnt := 0;
  while N > 0 do
  begin
    cnt := cnt + N mod 2;
    N := N div 10;
  end;
  writeln(cnt)
end.
[29]
var N, R, T, d: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  R := 0;
  T := 0;
  while N > 0 do
  begin
    d := N mod 10;
    if d <> 2 then
    begin
      R := R + d * T;
      T := T + 1;
    end;
    N := N div 10;
  end;
  writeln(T);
end.
[30]
var N, m, d: integer;
begin
[-HW]
  Task('%{task}');
[+HW]
  readln(N);
  m := 0;
  while N > 0 do
  begin
    d := N mod 10;
    if d > 1 then
    begin
      m := d + m;
    end;
    N := N div 10;
  end;
  write(m);
end.
[-----------------------------------------------]
[=CPP][12-15]
[-HW]
#include <cmath>
using namespace std;
[1-30]
void Solve()
{
    Task("%{task}");
[+HW]
[1-14]
    double x, y;
    cin >> x >> y;
[1]
    if (x*x + y*y >= 4)
        if (x >= -2)
            if (y <= -x)
[2]
    if (x*x + y*y >= 4)
        if (y >= -2)
            if (y <= x)
[3]
    if (y >= x)
        if (y >= 0)
            if (y <= 2 - x*x)
[4]
    if (y <= 2*x*x)
        if (x >= -1)
            if (y >= 1)
[5]
    if (y <= 1)
        if (y >= 0)
            if (x >= -1)
                if (y >= x*x)
[6]
    if (y <= x)
        if (y <= -x)
            if (y >= x*x - 2)
[7]
    if (y <= 1 - x)
        if (y >= 0)
            if (x >= 0)
                if (x*x + y*y <= 1)
[8]
    if (y >= -1)
        if (y <= x)
            if (y <= 0)
                if (x*x + y*y <= 1)
[9]
    if (y <= 1)
        if (y >= x)
            if (x >= -1)
                if (x*x + y*y <= 1)
[10]
    if (y <= x + 2)
        if (x <= 0)
            if (x*x + y*y <= 25)
[11]
    if (y >= x*x - 6)
    {
        if (x*x + y*y <= 16)
            cout << "Принадлежит" << endl;
    }
    else
        if (x >= 0)
            cout << "Принадлежит" << endl;
        else
            cout << "Не принадлежит" << endl;
[12]
    if (y <= sin(x))
        if (x <= 3.14/2)
            if (y >= 0)
[13]
    if (y <= 1)
        if (x >= 0)
            if (y >= sin(x))
[14]
    if (y <= 0)
        if (y >= -1)
            if (y <= cos(x))
[1-4][6][10][12-14]
                cout << "Принадлежит" << endl;
            else
                cout << "Не принадлежит" << endl;
[5][7-9]
                    cout << "Принадлежит" << endl;
                else
                    cout << "Не принадлежит" << endl;
[1-14]
    cout << "Программа завершена";
[15-21]
    cout << fixed << setprecision(2);
[15]
    double c;
    cin >> c;
    if (c > 0)
        cout << "нет решений";
    else
        cout << "x = " << sqrt(-c):0:2, ' или x = ', -sqrt(-c):0:2);
[16-21]
    double a, b;
    cin >> a >> b;
[16]
    if (a == 0)
        if (b == 0)
           cout << "любое число";
        else
           cout << "нет решений";
    else
        if (b == 0)
           cout << "x = 0.00";
        else
           cout << "x = " << b/a << " или x = " << -b/a;
[17]
    if (b == 0)
        cout << "x = 0.00";
    else
        if (a == 0)
            cout << "нет решений";
        else
            cout << "x = " << -b/a;
[18]
    if (a == 0)
        if (b > 0)
            cout << "любое число";
        else
            cout << "нет решений";
    else
        cout << "x > " << -b/a;
[19]
    if (b == 0)
        cout << "x > 0.00 или x < 0.00";
    else
        if (a > 0)
            cout << "x > 0.00 или x < " << -b;
        else
            cout << -b << " < x < 0.00";
[20]
    if (a == 0)
        if (b > 0)
            cout << "нет решений";
        else
            cout << "x > 0.00 или x < 0.00";
    else
        cout << -a << " < x < 0.00";
[21]
    if (b > 0)
        cout << "x > " << a << " или x < 0.00";
    else
        if (a > 0)
            cout << "0.00 < x < " << a;
        else
            cout << a << " < x < 0.00";
[22]
    int N;
    cin >> N;
    while (N > 10)
    {
        N = N % 10;
    }
    cout << N;
[23]
    int N;
    cin >> N;
    while (N > 10)
    {
        N = N % 100;
    }
    cout << N;
[24]
    int N, digit, maxdigit;
    cin >> N;
    maxdigit = 10;
    while (N >= 10)
    {
        digit = N % 10;
        if (maxdigit < digit)
            maxdigit = digit;
        N = N / 10;
    }
    cout << maxdigit;
[25]
    int N, digit, p;
    cin >> N;
    p := N % 10;
    while (N >= 10)
    {
        digit = N % 10;
        p = p * digit;
        N = N / 10;
    }
    cout << p;
[26]
    int N, s;
    cin >> N;
    s = 1;
    while (N > 1)
    {
        if (N % 10 != 0)
            s = N % 10;
        N = N / 10;
    }
    cout << s;
[27]
    int N, digit, maxdigit;
    cin >> N;
    maxdigit = N % 10;
    while (N > 0)
    {
        digit = N % 10;
        if (digit % 3 == 0)
            if (digit > maxdigit)
                maxdigit = digit;
        N = N / 10;
    }
    if (maxdigit == 0)
        cout << "NO";
    else
        cout << maxDigit;
[28]
    int N, cnt;
    cin >> N;
    cnt = 0;
    while (N > 0)
    {
        cnt = cnt + N % 2;
        N = N / 10;
    }
    cout << cnt;
[29]
    int N, R, T, d;
    cin >> N;
    R = 0;
    T = 0;
    while (N > 0)
    {
        d = N % 10;
        if (d != 2)
        {
            R = R + d * T;
            T++;
        }
        N = N / 10;
    }
    cout << T;
[30]
    int N, m, d;
    cin >> N;
    m = 0;
    while (N > 0)
    {
        d = N % 10;
        if (d > 1)
        {
            m = d + m;
        }
        N = N / 10;
    }
    cout << m;
[1-30]
[-HW]
}
[+HW]
[-----------------------------------------------]
[=Python][12-15]
[-HW]
import math
[1-30]
def solve():
    task("%{task}")
[+HW]
[1-14]
    x = float(input())
    y = float(input())
[1]
    if x*x + y*y >= 4:
        if x >= -2:
            if (y <= -x):
[2]
    if x*x + y*y >= 4:
        if y >= -2:
            if y <= x:
[3]
    if y >= x:
        if y >= 0:
            if y <= 2 - x*x:
[4]
    if y <= 2*x*x:
        if x >= -1:
            if y >= 1:
[5]
    if y <= 1:
        if y >= 0:
            if x >= -1:
                if y >= x*x:
[6]
    if y <= x:
        if y <= -x:
            if y >= x*x - 2:
[7]
    if y <= 1 - x:
        if y >= 0:
            if x >= 0:
                if x*x + y*y <= 1:
[8]
    if y >= -1:
        if y <= x:
            if y <= 0:
                if x*x + y*y <= 1:
[9]
    if y <= 1:
        if y >= x:
            if x >= -1:
                if x*x + y*y <= 1:
[10]
    if y <= x + 2:
        if x <= 0:
            if x*x + y*y <= 25:
[11]
    if y >= x*x - 6:
        if x*x + y*y <= 16:
            print("Принадлежит")
    elif x >= 0:
        print("Принадлежит")
    else:
        print("Не принадлежит")
[12]
    if y <= math.sin(x):
        if x <= 3.14/2:
            if y >= 0:
[13]
    if y <= 1:
        if x >= 0:
            if y >= math.sin(x):
[14]
    if y <= 0:
        if y >= -1:
            if y <= math.cos(x):
[1-4][6][10][12-14]
                print("Принадлежит")
            else:
                print("Не принадлежит")
[5][7-9]
                    print("Принадлежит")
                else:
                    print("Не принадлежит")
[1-14]
    print("Программа завершена")
[15]
    c = float(input())
    if c > 0:
        print("нет решений")
    else:
        print("x = %0.2f или x = %0.2f" % (math.sqrt(-c), -math.sqrt(-c)))
[16-21]
    a = float(input())
    b = float(input())
[16]
    if a == 0:
        if b == 0:
           print("любое число")
        else:
           print("нет решений")
    else:
        if b == 0:
           print("x = 0.00")
        else
           print("x = %0.2f или x = %0.2f" % (b/a, -b/a))
[17]
    if b == 0:
        print("x = 0.00")
    else:
        if a == 0:
            print("нет решений")
        else:
            print("x = %0.2f" % -b/a)
[18]
    if a == 0:
        if b > 0:
            print("любое число")
        else:
            print("нет решений")
    else:
        print("x = %0.2f" % -b/a)
[19]
    if b == 0:
        print("x > 0.00 или x < 0.00")
    else:
        if a > 0:
            print("x > 0.00 или x < %0.2f" % -b)
        else:
            print("%0.2f < x < 0.00" % -b)
[20]
    if a == 0:
        if b > 0:
            print("нет решений")
        else:
            print("x > 0.00 или x < 0.00")
    else:
        print("%0.2f < x < 0.00" % -a)
[21]
    if b > 0:
        print("x > %0.2f или x < 0.00" % a)
    else:
        if a > 0:
            print("0.00 < x < %0.2f" % a)
        else:
            print("%0.2f < x < 0.00" % a)
[22-30]
    N = int(input())
[22]
    while N > 10:
        N = N % 10
    print(N)
[23]
    while N > 10:
        N = N % 100
    print(N)
[24]
    maxdigit = 10
    while N >= 10:
        digit = N % 10
        if maxdigit < digit:
            maxdigit = digit
        N = N // 10
    }
    print(maxdigit)
[25]
    p = N % 10
    while N >= 10:
        digit = N % 10
        p = p * digit
        N = N // 10
    print(p)
[26]
    s = 1
    while N > 1:
        if N % 10 != 0:
            s = N % 10
        N = N // 10
    print(s)
[27]
    maxdigit = N % 10
    while N > 0:
        digit = N % 10
        if digit % 3 == 0:
            if digit > maxdigit:
                maxdigit = digit
        N = N // 10
    if maxdigit == 0:
        print("NO")
    else:
        print(maxDigit)
[28]
    cnt = 0
    while N > 0:
        cnt = cnt + N % 2
        N = N // 10
    print(cnt)
[29]
    R = 0
    T = 0
    while N > 0:
        d = N % 10
        if d != 2:
            R = R + d * T
            T += 1
        N = N // 10
    print(T)
[30]
    m = 0
    while N > 0:
        d = N % 10
        if d > 1:
            m = d + m
        N = N // 10
    print(m)