#include <stdio.h>

int main(void){

	long long int a,b;

	scanf("%lld %lld",&a,&b);

	if	(((a-1)*(b-1)) ==1)				printf("E");
	else if	( ( (a==1)||(b==1) ) || ( (a==0)||(b==0) ) )	printf("S");
	else 							printf("P");

	return 0;
}