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

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