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

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