#include<bits/stdc++.h>
#include <atcoder/all>
#ifdef LOCAL
#include <debug_print.hpp>
#define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (static_cast<void>(0))
#endif
using namespace atcoder;
using mint=modint998244353;
using namespace std;
using ll=long long;
using ul=unsigned long long;
int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1};
int dy[8] = {0, 0, -1, 1, -1, 1, -1, 1};
using Graph=vector<vector<int>>;
int main(){
    string A,B;
    cin>>A>>B;
    if((A=="0"&&B=="0")||(A=="2"&&B=="2")){
        cout<<"E"<<endl;
        return 0;
    }
    if(A=="0"||A=="1"||B=="0"||B=="1"){
        cout<<"S"<<endl;
        return 0;
    }
    cout<<"P"<<endl;
}