#include <iostream>
using namespace std;
int main() {
	int a,b,c,n=0;
	cin>>a>>b>>c;
	if(a>=90){
		n++;
	}
	if(b>=90){
		n++;
		}	
	if(c>=90){
		n++;
		}	
	cout<<n;
}
/**************************************************************
	Problem: 1678
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/