#include<iostream> using namespace std; int main() { long long a,b,c; cin>>a>>b>>c; if(a%4==0&&b%4==0&&c%4==0) { cout<<"3"; } else if(a%4==0&&b%4==0&&b) { cout<<"2"; } else if(a%4==0) { cout<<"1"; } else { cout<<"0"; } return 0; }