#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using namespace std;
using ll = long long ;
using P = pair<int,int> ;
using pll = pair<long long,long long>;
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 << "E" << endl;
    else if(a=="1"||a=="0"||b=="0"||b=="1") cout << "S" << endl;
    else cout << "P" << endl;
    return 0;
}