#include <bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
#define all(a) a.begin(),a.end()
typedef long long ll;
typedef pair<ll,int> P;
typedef vector<ll> vi;
constexpr ll inf=1ll<<61;
constexpr ll mod=998244353;
typedef modint998244353 mi;

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