#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){

    int a, b, c, x, y;
    cin >> a >> b >> c;
    x = (a*b+b*c+c*a) * 2;
    y = a*b*c;
    cout << (x > y ? 2 : 3) << endl;

    return 0;
}