#include <bits/stdc++.h>
using namespace std;
int main(){
    int x,y,z,c = 0;
    cin>>x>>y>>z;
    if(x >= 90){
    	c++;
	}
	
	if(y >= 90){
		c++;
	}
	
	if(z >= 90){
		c++;
	} 
	
	cout<<c;
}
/**************************************************************
	Problem: 1678
	User: admin
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/