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

int main(void)
{
    char A[202], B[202];
    scanf("%s %s", A, B);

    if(strcmp(A, "0") || strcmp(A, "1")
      || strcmp(B, "0") || strcmp(B, "1"))
        printf("S\n");
    else if(strcmp(A, "2") && strcmp(B, "2"))
        printf("E\n");
    else
        printf("P\n");

    return 0;
}