#include<bits/stdc++.h>
using namespace std;

int main(){
	int a;
	int cnt_3=0;
	int cnt_8=0;
	int cnt_10=0;
	for(int i=1;i<=8;i++){
		cin>>a;
		if(a>=118) cnt_10+=1;
		else if(a>=63) cnt_8+=1;
		else if(a>=41) cnt_3+=1;
	}
	if(cnt_10){
		cout<<"10";
	}
	else if(cnt_8>=4){
		cout<<"8";
	}
	else if(cnt_3>=4){
		cout<<"3";
	}
	else{
		cout<<"1";
	}
	
	return 0;
}