#include<bits/stdc++.h> using namespace std; int main(){ /** int min,a,b,c; cin >>a>>b>>c; min = a; if(min > b){ min = b; } if(min > c){ min = c; } cout<<min; **/ int a,b,c,n=0; cin>>a>>b>>c; if(a % 400 == 0 ||(a % 100 !=0 and a % 4 ==0))n++; if(b % 400 == 0 ||(b % 100 !=0 and b % 4 ==0))n++; if(c % 400 == 0 ||(c % 100 !=0 and c % 4 ==0))n++; cout<<n; return 0; }