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

int main(){
    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) << endl;
    return 0;
}