#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main(){
    int a,b,c;
    cin >> a >> b >> c;
    int squ=a*b*2+b*c*2+a*c*2;
    int tri=a*b*c;
    if(squ>tri){
        cout << 2 << endl;
    }else{
        cout << 3 << endl;
    }
}