uses crt;
const n=6;
var a:array[1..n,1..n] of integer;
b:array[1..100] of integer;
i,j,k:integer;
begin
ClrScr;
Randomize;
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i,j]:=random(20)-10;
Write(a[i,j]:4);
end;
Writeln;
end;
Writeln;
b[i]:=0;
for i:=1 to n do
for j:=1 to n do
if (i mod 3=0) and (j mod 3=0) then
begin
inc(k);
b[k]:=a[i,j];
end;
for i:=1 to k do
Write(b[i],' ');
Readln;
end.