#include <iostream>
using namespace std;

int main() {
    int scores[4];
    for (int i = 0; i < 4; ++i) {
        cin >> scores[i];
    }

    bool has_D = false;
    int A_count = 0;

    for (int i = 0; i < 4; ++i) {
        if (scores[i] < 60) {
            has_D = true;
            break;
        } else if (scores[i] >= 90) {
            A_count++;
        }
    }

    if (has_D) {
        cout << "Poor LanYangYang" << endl;
    } else if (A_count == 4) {
        cout << 5 << endl;
    } else {
        cout << A_count << endl;
    }

    return 0;
}
    
/**************************************************************
	Problem: 1050
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/