#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) { return (ull)rng() % B; }

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int a, b, c;
    cin >> a >> b >> c;
    int x = 2 * (a * b + b * c + c * a), y = a * b * c;
    cout << (x <= y) + 2 << endl;
}