#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

char solve(const string& a, const string& b)
{
    if(a == "0" && b == "0")
        return 'E';
    else if(a == "0" || b == "0")
        return 'S';
    else if(a == "1" || b == "1")
        return 'S';
    else if(a == "2" && b == "2")
        return 'E';
    else
        return 'P';
}

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

    cout << solve(a, b) << endl;

    return 0;
}