#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a,b,c,n; cin>>a>>b>>c; n=0; if((a%400==0) || (a%4==0 && a%100!=0)){ n=n+1; } else if((b%400==0) || (b%4==0 && b%100!=0)){ n=n+1; } else if((c%400==0) || (c%4==0 && b%100!=0)){ n=n+1; } cout<<n; return 0; }