#!/usr/bin/env python3
import sys
import pickle
from tokenize import tokenize
import math
model = pickle.load(open('model.pkl', 'rb', ))
pskeptic, vocabulary_size, skeptic_words_total, paranormal_words_total, skeptics_count, paranormal_count = model
for line in sys.stdin:
	document = line.rstrip()
	terms = tokenize(document)
	log_prob_skeptic = math.log(pskeptic)
	log_prob_paranormal = math.log(1-pskeptic)
        
	for term in terms:
		if term not in skeptics_count:
			skeptics_count[term]=0
		if term not in paranormal_count:
			paranormal_count[term]=0                
		log_prob_skeptic += math.log((skeptics_count[term] +1)/(skeptic_words_total + vocabulary_size))
		log_prob_paranormal += math.log((paranormal_count[term] +1)/(paranormal_words_total + vocabulary_size))
	if log_prob_skeptic > log_prob_paranormal:
		print("S")
	else:
		print("P")