#include <bits/stdc++.h>
using namespace std;

#define FOR(i,l,r) for(int i = (l);i < (r);i++)
#define ALL(x) (x).begin(),(x).end()
template<typename T> bool chmax(T& a,const T& b){return a < b ? (a = b,true) : false;}
template<typename T> bool chmin(T& a,const T& b){return b < a ? (a = b,true) : false;}
typedef long long ll;

string A,B;

int main()
{
	cin.tie(0);
	ios::sync_with_stdio(false);

	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;
}