Const
 N=6;

Var
 A,B:Array[1..N, 1..N] of Integer;
 C:Array[1..N, 1..N-1] of Integer;
 i,j:Integer;

Begin
 Randomize;
 Writeln('Initial matrix:');
 for i:=1 to N do
  begin
   for j:=1 to N do
    begin
     A[i,j]:=Random(40);
     B[i,j]:=A[i,j];
     write(A[i,j]:5);
    end;
   writeln;
  end;

 Writeln;
 Writeln('Var I:');
 for i:=1 to N do B[i,i]:=0;
 for i:=1 to N do
  begin
   for j:=1 to N do write(B[i,j]:5);
   writeln;
  end;

 Writeln;
 Writeln('Var II:');
 for i:=2 to N do
  for j:=1 to i-1 do
   C[i,j]:=A[i,j];
 for i:=1 to N-1 do
  for j:=i+1 to N do
   C[i,j-1]:=A[i,j];
 for i:=1 to N do
  begin
   for j:=1 to N-1 do write(C[i,j]:5);
   writeln;
  end;

 Readln
End.