label 1;
begin
var a: array [,] of integer := MatrRandomInteger(3,4,1,10);
a.Println;
var found := False;
for var i:=0 to a.RowCount-1 do
for var j:=0 to a.ColCount-1 do
if a[i,j] = 5 then
found := True;
goto 1;
end;
1: Println(found);
end.