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

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll a, b, c, x, y;
    cin >> a >> b >> c;
    x = 2 * (a * b + b * c + c * a);
    y = a * b * c;
    cout << (x > y ? 2 : 3) << '\n';
}