#include #define rep(i,n) for(int i=0;i<(int)(n);i++) using namespace std; using ll = long long ; using P = pair ; using pll = pair; constexpr int INF = 1e9; constexpr long long LINF = 1e17; constexpr int MOD = 1000000007; constexpr double PI = 3.14159265358979323846; int main(){ string a,b; cin >> a >> b; if(a=="2" and b=="2") cout << "E" << endl; else if(a=="0" and b=="0") cout << "P" << endl; else if(a=="1"||a=="0"||b=="0"||b=="1") cout << "S" << endl; else cout << "P" << endl; return 0; }