#include <iostream>
#include <string>

using namespace std;

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

    int X, Y;
    X = ((A*B)+(B*C)+(C*A))*2;
    Y = A*B*C;
    if (X>Y) { cout << "2" << endl; }
    else { cout << "3" << endl; }
    return 0;
}