import sys
input=lambda: sys.stdin.readline().rstrip()
a,b=map(int,input().split())
if a==0 and b==0:
  print("E")
elif a==2 and b==2:
  print("E")
elif a==1 or b==1 or a==0 or b==0:
  print("S")
else:
  print("P")