#include <algorithm>
#include <array>
#include <cmath>
#include <cstdio>
#include <deque>
#include <iomanip>
#include <iostream>
#include <numeric>
#include <optional>
#include <queue>
#include <sstream>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;

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