var
i, j: integer;
A: array[1..20] of integer;
begin
fillChar(A, sizeof(A), #0);
j := 1;
for i:=1 to 7 do begin
j:=i+1; A[j]:=i end;
writeln('1) ', A[7]);
fillChar(A, sizeof(A), #0);
j := 1;
for i:=1 to 7 do begin
j:=j+1; A[i]:=j end;
writeln('2) ', A[5]);
fillChar(A, sizeof(A), #0);
i:=1; for j:=1 to 9 do
begin i:=j-i; A[j]:=i+j end;
writeln('3) ', A[4]);
fillChar(A, sizeof(A), #0);
i:=1; for j:=1 to 9 do
begin i:=j-i; A[j]:=i+j end;
writeln('4) ', A[3]);
fillChar(A, sizeof(A), #0);
i:=0; for j:=1 to 9 do
begin i:=j-i; A[j]:=i+j end;
writeln('5) ', A[3]);
fillChar(A, sizeof(A), #0);
j := 1;
for i:=1 to 7 do begin
j:=i+1; A[j]:=i end;
writeln('6) ', A[3]);
end.
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