#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>

#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
#define REP(i,a,n) for(int i = (a);i < (n);i++)
#define PI 3.14159265359
#define MOD 1000000007

using namespace std;

int main(){
    string a,b;
    cin >> a >> b;
    if(a == b && (a == "0" || a == "2"))cout << "E\n";
    else if(a == "1" || b == "1" || a == "0" || b == "0" )cout << "S\n";
    else cout << "P\n";
    return 0;
}