#include <stdio.h>
#include <string.h>
int main(void){
    char A[201];
    char B[201];

    scanf("%s %s",A,B);

    //  If A or B is "1" or "0", the answer is "S"
    //  If A and B is "2", the answer is "E"
    //  else the answer is "P"

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

    return 0;
}