#include <bits/stdc++.h>
using namespace std;

int main()
{
int i;
int a;
int b;
char A[ 210 ];
char B[ 210 ];

	cin >> A;
	cin >> B;

	if( A[ 1 ] != '\0' || B[ 1 ] != '\0' )
	{
		cout << "P" << endl;

		return 0;
	}

	a = A[ 0 ] - '0';
	b = B[ 0 ] - '0';
	i = a * b - ( a + b );
	if( i > 0 )
		cout << "P" << endl;
	else if( i < 0 )
		cout << "S" << endl;
	else
		cout << "E" << endl;

	return 0;
}