var arr : array[1..3] of integer;
    arr2 : array[1..3] of integer;
    arr3 : array[1..3] of integer;
    arr4 : array[1..3] of integer;
    arr5 : array[1..3] of integer;
    arr6 : array[1..3] of integer;
    arr7 : array[1..3] of integer;
    arr12 : array[1..3] of integer;
    arr13 : array[1..3] of integer;
    arr14 : array[1..3] of integer;
    arr15 : array[1..3] of integer;
    arr16 : array[1..3] of integer;
    arr17 : array[1..3] of integer;
    arr22 : array[1..3] of integer;
    arr23 : array[1..3] of integer;
    arr24 : array[1..3] of integer;
    arr25 : array[1..3] of integer;
    arr26 : array[1..3] of integer;
    arr27 : array[1..3] of integer;
    arr32 : array[1..3] of integer;
    arr33 : array[1..3] of integer;
    arr34 : array[1..3] of integer;
    arr35 : array[1..3] of integer;
    arr36 : array[1..3] of integer;
    arr37 : array[1..3] of integer;
    arr42 : array[1..3] of integer;
    arr43 : array[1..3] of integer;
    arr44 : array[1..3] of integer;
    arr45 : array[1..3] of integer;
    arr46 : array[1..3] of integer;
    arr47 : array[1..3] of integer;
    arr21 : array[1..3] of integer;
    arr31 : array[1..3] of integer;
    arr41 : array[1..3] of integer;
    arr51 : array[1..3] of integer;
    arr61 : array[1..3] of integer;
    arr71 : array[1..3] of integer;
    arr121 : array[1..3] of integer;
    arr131 : array[1..3] of integer;
    arr141 : array[1..3] of integer;
    arr151 : array[1..3] of integer;
    arr161 : array[1..3] of integer;
    arr171 : array[1..3] of integer;
    arr221 : array[1..3] of integer;
    arr231 : array[1..3] of integer;
    arr241 : array[1..3] of integer;
    arr251 : array[1..3] of integer;
    arr261 : array[1..3] of integer;
    arr271 : array[1..3] of integer;
    arr321 : array[1..3] of integer;
    arr331 : array[1..3] of integer;
    arr341 : array[1..3] of integer;
    arr351 : array[1..3] of integer;
    arr361 : array[1..3] of integer;
    arr371 : array[1..3] of integer;
    arr421 : array[1..3] of integer;
    arr431 : array[1..3] of integer;
    arr441 : array[1..3] of integer;
    arr451 : array[1..3] of integer;
    arr461 : array[1..3] of integer;
    arr471 : array[1..3] of integer;
    
begin

end.