#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)

int main() {
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	
	int A, B, C;
	cin >> A >> B >> C;
	
	int X = 2 * (A*B + B*C + C*A);
	int Y = A * B * C;
	
	cout << (X > Y ? 2 : 3) << '\n';
}