Const
 Mmax=10;
 Nmax=9;
 Lmin=0;
 Lmax=64000;
Var
 A:Array[1..Mmax,1..Nmax] of Word;
 M,N,i,j,Npr:Byte;
 L,L1,L2:Word;
 f:Text;

Function Prime(V:Word):boolean;
var
 k:Word;
 b:Boolean;
begin
 b:=false;
 If V>3 then
  begin
   k:=V div 2;
   Repeat
    If (V mod k)=0 then b:=Not(b);
    Dec(k);
   Until b or (k=1);
  end;
 Prime:=Not(b);
end;

Begin
 Write('Number of lines (<',Mmax+1,') = ');
 Readln(M);
 Write('Number of columns (<',Nmax+1,') = ');
 Readln(N);
 Write('Lower element value limit (>',Lmin,') = ');
 Readln(L1);
 Write('Upper element value limit (<',Lmax,') = ');
 Readln(L2);
 Assign(f,'XXX.txt');
 Rewrite(f);
 Randomize;
 For i:=1 to M do
  begin
   For j:=1 to N do
    begin
     A[i,j]:=L1+Random(L2-L1);
     Write(f,A[i,j]:8);
    end;
   Writeln(f);
  end;
 Writeln(f);
 Writeln(f,'Primes:');
 Npr:=0;
 For i:=1 to M do
  For j:=1 to N do
   If Prime(A[i,j]) then
    begin
     Inc(Npr);
     Write(f,A[i,j]:8);
     If (Npr mod N)=0 then Writeln(f);
    end;
 If Npr=0 then Writeln(f, 'No!');
 Close(f);
End.