#include <bits/stdc++.h>
using namespace std;
int main(){
  int A, B, C;
  cin >> A >> B >> C;
  int X = (A * B + B * C + C * A) * 2;
  int Y = A * B * C;
  if (X > Y){
    cout << 2 << endl;
  } else {
    cout << 3 << endl;
  }
}