#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define rep(i, a, n) for (int i = (int)(a); i < (int)(n); i++)
#define rrep(i, n, a) for (int i = (int)(n); i >= (int)(a); i--)

void solve(){
    int a,b,c; cin >> a >> b >> c;
    int x = 2*(a*b+b*c+a*c);
    int y = a*b*c;
    if(x > y) cout << 2; else cout << 3;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    solve();

    return 0;
}