#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,f=0;
	char aa,bb,cc,dd;
	cin>>a>>b>>c>>d;
	if(a>=90){
		aa='a';
		f+=1;
	}
	if(a>=75&&a<90)aa='b';
	if(a<75&&a>=60)aa='c';
	if(a<60){
		cout<<"Poor LanYangYang";
		return 0;
	}
	if(b>=90){
		bb='a';
		f+=1;
	}
	if(b>=75&&b<90)bb='b';
	if(b<75&&b>=60)bb='c';
	if(b<60){
		cout<<"Poor LanYangYang";
		return 0;
	}
	if(c>=90){
		cc='a';
		f+=1;
	}
	if(c>=75&&c<90)cc='b';
	if(c<75&&c>=60)cc='c';
	if(c<60){
		cout<<"Poor LanYangYang";
		return 0;
	}
	if(d>=90){
		dd='a';
		f+=1;
	}
	if(d>=75&&d<90)dd='b';
	if(d<75&&d>=60)dd='c';
	if(d<60){
		cout<<"Poor LanYangYang";
		return 0;
	}
	cout<<f;
	return 0;
}

/**************************************************************
	Problem: 1050
	User: tangkaixuan
	Language: C++
	Result: Wrong Answer
****************************************************************/