#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < n; i++)
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)

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