#include <bits/stdc++.h>
using namespace std;
int n,t=0;
int main(){
	cin>>n;
	double a[n+1];
	char ch[n+1],c[n+1];
	bool b[n+1];
	for(int i=1;i<=n;i++){
		cin>>ch[i]>>a[i]>>b[i];
		if(a[i]>=37.5&&b[i]==1){
			t++;
			c[t]=ch[i];
		}
	}
	for(int i=1;i<=t;i++){
		cout<<c[i]<<"\n";
	}
	cout<<t;
	return 0;
}