#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
using namespace std;

#define ll long long
#define INF (1 << 30)
#define INFLL (1LL << 60)

#define FOR(i,a,b) for(ll i = (a);i<(b);i++)
#define REP(i,a) FOR(i,0,(a))
#define MP make_pair

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

	if((a == "0" && b == "0") || (a == "2" && b == "2")){
		cout << "E" << endl;
	}else if(a == "0" || b == "0" || a == "1" || b == "1"){
		cout << "S" << endl;
	}else{
		cout << "P" << endl;
	}
	return 0;
}