#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;

int toNum(string s){
    for(auto c : s) if(isdigit(c) == 0) return -1;
    return stoi(s);
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);

    string A,B; cin >> A >> B;
    if(A == "0" || B == "0"){
        if(A == B) cout << "E" << endl;
        else cout << "S" << endl;
    }else if(A == "1" || B == "1"){
        cout << "S" << endl;
    }else if(A == "2" && B == "2"){
        cout << "E" << endl;
    }else{
        cout << "P" << endl;
    }
}