gistfile1.txt

#include <iostream>

using namespace std;

int main(void){
  int x,y;
  bool b = false;
  cin >> x;

  y = 2;
  while (x > 1){
    while ((x % y) == 0){
       x = x / y;
       cout << y << '*';
       b = true;
       // printf("%d*", y);
     }
    y++;
  }
  cout << (b ? "\b " : " ");
  // printf("\b ");
  return 0;
}