program z899;
uses crt;
const n=3;
var a:array [1..n,1..n] 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);
write(a[i,j]:3);
end; writeln; end;
i:=1;
j:=1;
while i while j if a[i,j] mod 3 =0 then
begin k:=i;writeln(k);
i:=n;j:=n;end;
j:=j+1;end;
i:=i+1; end;
for i:=1 to k do
for j:=1 to n do a[i,j]:=0;
for i:=1 to n do begin
for j:=1 to n do
write(a[i,j]:3); writeln;end;
END.