#include <iostream>
#include <cassert>
using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    assert(1 <= a && a <= 100);
    assert(1 <= b && b <= 100);
    assert(1 <= c && c <= 100);
    int x = 2 * ((a * c) + (a * b) + (b * c));
    int y = a * b * c;
    if (x > y) {
        cout << 2 << endl;
    } else {
        cout << 3 << endl;
    }
    return 0;
}