#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
using T = tuple<ll, ll, ll>;
// #include <atcoder/all>
// using namespace atcoder;
// using mint = modint1000000007;
#define rep(i, n) for(ll i = 0; i < n; i++)

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    
    ll a,b,c; cin >> a >> b >> c;
    ll hyo = (a*b + b*c + c*a) * 2;
    ll v = a*b*c;
    cout << (hyo > v ? 2 : 3) << endl;
    
    return 0;
}