#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> PP;
//#define MOD 1000000007
#define MOD 998244353
#define INF 2305843009213693951
//#define INF 810114514
#define PI 3.141592653589
#define setdouble setprecision
#define REP(i,n) for(ll i=0;i<(n);++i)
#define OREP(i,n) for(ll i=1;i<=(n);++i)
#define RREP(i,n) for(ll i=(n)-1;i>=0;--i)
#define ALL(v) (v).begin(), (v).end()
#define GOODBYE do { cout << "-1" << endl; return 0; } while (false)
#define MM <<" "<<
#define Endl endl
#define debug true
#define debug2 false


int main(void){
    //cin.tie(nullptr);
    //ios::sync_with_stdio(false);
    
    ll A,B,C;
    cin >> A >> B >> C;
    ll X = 2*(A*B+B*C+C*A);
    ll Y = A*B*C;

    if(X>Y){
        cout << 2 << endl;
    }else{
        cout << 3 << endl;
    }

    return 0;
}