#include<iostream> using namespace std; int main(){ int a,b,c; cin>>a>.b>>c; int num = 0; if(a % 4 ==100 && a % 100 != 0 || a % 100 == 0){ num++; }else if(b % 4 == 100 && b % 100 != 0 || b % 100 == 0){ num++; }else if(c % 4 == 100 && c % 100 != 0 || c % 100 == 0){ num++; } cout<<num; return 0; }