#include <cstdio>
#include <iostream>
#include <cmath>
#include <cstring> 
#include <sstream>
#include <algorithm>
#include <cstdlib>
#include <map>
#include <queue>
#include <utility>
#include <vector>
#include <set>
#include <memory.h>
#include <iomanip>
#include <bitset>
#include <list>
#include <stack>
 
using namespace std;

#define mod 1000000007

int n;
vector<vector<int> > graph(100001);
vector<int> node(100001, -1);
vector<int> parent(100001, -1);
vector<pair<int, int> > range(100001);

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