#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    string a, b;
    cin >> a >> b;

    if(a == b && (a == "0" || a == "2")){
        cout << 'E' << endl;
        return 0;
    }

    if(a == "0" || b == "0" || a == "1" || b == "1"){
        cout << 'S' << endl;
        return 0;
    }

    cout << 'P' << endl;
    return 0;
}