class Main {
   void main() {
      int r1;
      int i0,  i1;
		
      i0 = 5;
      i1 = 2;
		
      r1 = i1 * 3;
      write(r1); writeln();

      r1 = i0 * i1;
      write(r1); writeln();
	
      r1 = r1 * i0 * i1 * 3;
      write(r1); writeln();
   }
}