program PascalGuru;
var
A: array [1 .. 50, 1 .. 50] of integer;
i, j, n: integer;
begin
write('N= ');
readln(n);
for i := 1 to n do
for j := 1 to n do
begin
write('A[', i, ',', j, ']=');
readln(A[i, j]);
end;
for i := 1 to n do
begin
writeln;
for j := 1 to n do
write(A[i, j]:8);
end;
{ ****************************************** }
for i := 1 to n do
for j := 1 to n do
begin
if i = j then
A[i, j] := 1;
if i > j then
A[i, j] := 0;
if i < j then
A[i, j] := i + j;
end;
writeln;
writeln;
writeln('Preobrazovannyi:');
for i := 1 to n do
begin
writeln;
for j := 1 to n do
write(A[i, j]:8);
end;
readln;
end.