#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,h=0;
    cin>>a>>b>>c;
    if(a>=90){
		h++;
    }
	if(b>=90){
        h++;
    }
    if(c>=90){
    	h++;
	}
	cout<<h<<endl;
} 
/**************************************************************
	Problem: 1678
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/