#include <iostream> #include <string> using namespace std; int main() { string s1,s2; cin>>s1>>s2; if(s1==s2&&(s1=="0"||s1=="2"))cout<<"E"<<endl; else if(s1=="0"||s2=="0"||s1=="1"||s2=="1")cout<<"S"<<endl; else cout<<"P"<<endl; return 0; }