#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;
	}
	else if( A[ 1 ] == '\0' && B[ 1 ] == '\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;
	}
	else if( A[ 1 ] == '\0' )
	{
		if( A[ 0 ] == '0' || A[ 0 ] == '1' )
			cout << "S" << endl;
		else
			cout << "P" << endl;
	}
	else
	{
		if( B[ 0 ] == '0' || B[ 0 ] == '1' )
			cout << "S" << endl;
		else
			cout << "P" << endl;
	}

	return 0;
}