#include<iostream>
#include<vector>
#include<string>
#include<array>
#include<algorithm>
#include<list>
#include<cmath>
#include<iomanip>
#include<queue>
#include<functional>
#include<climits>
#include<iterator>
#include<unordered_set>
#include<unordered_map>
#include<map>
#include<stack>
#include<set>
using namespace std;

const double pi=4*atan(1.0);

constexpr long long mod=static_cast<long long>(1e9+7);

using cWeightEdges=vector<vector<pair<int,int>>>;
using cEdges=vector<vector<int>>;

int main(){
	string A,B;
	cin>>A>>B;

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

	//system("pause");
	return 0;
}