#include <bits/stdc++.h>
// #include <boost/multiprecision/cpp_int.hpp>
using namespace std;
// using bigint = boost::multiprecision::cpp_int;

template <typename T> using min_priority_queue = priority_queue<T,vector<T>,greater<T>>;

random_device seed_gen;
mt19937 engine(seed_gen());

int64_t get_time_ns(){
    struct::timespec t;
    clock_gettime(CLOCK_MONOTONIC, &t);
    return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec;
}

int f(string s) {
    if(s.size() >= 2) return 10;
    else return stoi(s);
}

int main() {
    string a, b;
    cin >> a >> b;

    int x = f(a);
    int y = f(b);
    if(x > y) swap(x, y);

    string ans;
    if(x == 0) {
        if(y == 0) ans = "E";
        else ans = "S";
    }
    else if(x == 1) {
        ans = "S";
    }
    else {
        if(y == 2) ans = "E";
        else ans = "P";
    }

    cout << ans << endl;
    return 0;
}