import strutils, sequtils

proc trfm(x: string): int =
  case x:
    of "0", "1", "2":
      result = x.parseInt
    else:
      result = 3

let
  AB = stdin.readLine.split
  (A, B) = (AB[0], AB[1])

  a = A.trfm
  b = B.trfm

case a + b - a * b:
  of 1 .. int.high:
    echo "S"
  of int.low .. -1:
    echo "P"
  else:
    echo "E"