#include <iostream>
#include <string>
using namespace std;

int main(){
	string a,b;
	cin>>a>>b;
	if((a=="2"&&b=="2")||(a=="0"&&b=="0")){
		cout<<"E"<<endl;
	}else if(a=="1"||b=="1"||a=="0"||b=="0"){
		cout<<"S"<<endl;
	}else{
		cout<<"P"<<endl;
	}
}