#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef string str;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll a, b, c;
    cin >> a >> b >> c;
    cout << fixed << setprecision(0);
    if ((a * b + b * c + c * a) * 2 > a * b * c) cout << 2;
    else cout << 3;
    return 0;
}