#include<stdio.h>

int main(void) {
	unsigned A, B;
	scanf("%d %d", &A, &B);
	if (A == B && A == 2||A==0) {
		printf("E");
	}else if(A==0||B==0||A==1||B==1){
		printf("S");
	}else {
		printf("P");
	}
}