#include <iostream>
#include <string>
using namespace std;

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