#include <iostream> #include <cstdio> #include <iomanip> #include <cmath> using namespace std; int main(){ int a,b,c; cin>>a>>b>>c; int sum; sum=0 if((a%4==0)&&((a%100!=0)||(a%400==0))){ sum++; } if((b%4==0)&&((b%100!=0)||(b%400==0))) { sum++; } if((c%4==0)&&((c%100!=0)||(c%400==0))) { sum++; } cout<<sum; }