#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,s,d,f,g,h,j;
	cin>>a>>s>>d;
	if(a>=90){
		f=1;
	}else{
		f=0;
	}
	if(s>=90){
		g=1;
	}else{
		g=0;
	}
	if(d>=90){
		h=1;
	}else{
		h=0;
	}j=f+g+h;
	cout<<j;
	}
/**************************************************************
	Problem: 1678
	User: tonghuawei
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2072 kb
****************************************************************/