#include <bits/stdc++.h>
#define p(s) cout<<(s)<<endl
using namespace std;

int main(){
	string A,B;
	cin>>A>>B;
	if((A=="0"&&B=="0")||(A=="2"&&B=="2")) p("E");
	else if((A.size()==1&&A<"2")||(B.size()==1&&B<"2")) p("S");
	else p("P");
	return 0;
}