#include <bits/stdc++.h>

char xs[256];
char ys[256];

int main() {
  scanf("%s %s", xs, ys);

  bool xIsZero = strcmp(xs, "0") == 0 and strlen(xs) == 1;
  bool xIsOne  = strcmp(xs, "1") == 0 and strlen(xs) == 1;
  bool xIsTwo  = strcmp(xs, "2") == 0 and strlen(xs) == 1;
  bool yIsZero = strcmp(ys, "0") == 0 and strlen(ys) == 1;
  bool yIsOne  = strcmp(ys, "1") == 0 and strlen(ys) == 1;
  bool yIsTwo  = strcmp(ys, "2") == 0 and strlen(ys) == 1;

  if( xIsZero and yIsZero ) {
    puts("E"); return 0;
  }
  if( xIsZero or yIsZero ) {
    puts("S"); return 0;
  }
  if( xIsOne or yIsOne ) {
    puts("S"); return 0;
  }
  if( xIsTwo and yIsTwo ) {
    puts("E"); return 0;
  }
  puts("P"); return 0;
  
  
    
  
  return 0;
}