using namespace std;

#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>

int main(){
    int A, B, C;
    cin >> A >> B >> C;

    int X, Y;

    X = A*B*2 + B*C*2 + C*A*2;
    Y = A*B*C;

    if (X > Y){
        cout << 2 << endl;
    }else{
        cout << 3 << endl;
    }
}