#include<iostream>
#include<string>
#include<string.h>
#include<algorithm>
#include<stdio.h>
#include<cmath>
#include<vector>
#include<utility>
#include<stack>
#include<queue>
#include<list>
#include<bitset>
#include<functional>

#define FOR(i, a, b) for(int i=(a);i<=(b);i++)
#define RFOR(i, a, b) for(int i=(a);i>=(b);i--)
#define MOD 1000000007
#define INF 1000000000
#define PI 3.14159265358979

using namespace std;
typedef pair<int, int> P;

int main(void) {
	string a, b;

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


	return 0;
}