#include <iostream>
using namespace std;

int main() {
	// your code goes here
	long long a,b;
	cin>>a>>b;
	if(a>3)a=3;
	if(b>3)b=3;
	if(a*b>a+b) cout<<"P"<<endl;
	else if(a*b==a+b) cout<<"E"<<endl;
	else cout<<"S"<<endl;
	return 0;
}