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

void fast_io() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
}

int main() {
	fast_io();
	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\n";
	} else {
		cout << "3\n";
	}
}