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

int main() {
	int A, B, C;
	cin >> A >> B >> C;
	if ((A * B + B * C + C * A) * 2 > A * B * C){
		cout << 2 << '\n';
	} else {
		cout << 3 << '\n';
	}
}