#include <stdio.h>
#include <string.h>

int main(void) {
	char a[201], b[201];
	scanf("%s", a);
	//printf("%s\n", a);
	scanf("%s", b);
	//printf("%s\n",b);
	
	if(strcmp(a, "0") == 0 && strcmp(b, "0") == 0){
		printf("E\n");
	}
	else if(strcmp(a, "0") == 0 || strcmp(b, "0") == 0){
		printf("S\n");
	}
	else if(strcmp(a, "1") == 0 || strcmp(b, "1") == 0){
		printf("S\n");
	}
	else if(strcmp(a, "2") == 0 && strcmp(b, "2") == 0){
		printf("E");
	}
	else{
		printf("P\n");
	}
	
	return 0;
}