#include <bits/stdc++.h>

using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

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