#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);++i)
#define all(a) (a).begin(),(a).end()
#define dunk(a) cout << (a) << endl
using namespace std;
typedef long long ll;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	string a, b;
	cin >> a >> b;

	if (a == "0" && b == "0") {
		puts("E");
		return 0;
	}

	if (a == "0" || b == "0" || a == "1" || b == "1") {
		puts("S");
		return 0;
	}

	if (a == "2" && b == "2") {
		puts("E");
		return 0;
	}

	puts("P");

	return 0;
}