#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<cmath>
#include<stdio.h>
#include<queue>
#include <climits>
#include <map>
#include <set>
const int mod = 1e9 + 7;
const long long INF = 1LL << 60;
using namespace std;
typedef long long ll;

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