/* -*- coding: utf-8 -*-
 *
 * 2414.cc:  No.2414 2 KA 3 KA - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int a, b, c;
  scanf("%d%d%d", &a, &b, &c);

  int x = (a * b + b * c + c * a) * 2;
  int y = a * b * c;

  printf("%d\n", (x > y) ? 2 : 3);
  return 0;
}