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

int main() {
    string a, b;
    cin >> a >> b;
    if ((a == "0" && b == "0") || (a == "2" && b == "2")) {
        printf("E\n");
    } else if (a == "0" || a == "1" || b == "0" || b == "1") {
        printf("S\n");
    } else {
        printf("P\n");
    }
    return 0;
}