#!/usr/bin/env python3
import pandas as pd
import re
import sys
# sort | uniq -c
#train = pd.read_csv("./train/in.tsv.xz", delimiter='\t')
#import sys
#for line in sys.stdin
#if re.search(r'UFO', line) print("P")
for line in sys.stdin:
    if re.search(r'(ufo|lol|camera|picture|contact|phenomen|photo|paralysis|haunted|alien|demon|ghost|levitation|paranormal|spirit|telekinesis|flying|fake|sky|dream)', line.lower()):
        print("P")
    else: 
        print("S")