#include <iostream>
#include <string>
using namespace std;
int main(void){
    int a,b,c;
    cin>>a>>b>>c;
    long long int x=2*(a*b+b*c+c*a),y=a*b*c;
    if(x>y){
        cout<<"2"<<endl;
    }else{
        cout<<3<<endl;
    }
    return 0;
}