answer1=raw_input("What is your favourite animal?: ")
code1=len(answer1)%10
answer2=raw_input("What is your favourite colour?: ")
code2=len(answer2)%10
answer3=raw_input("What is your favourite day of the week?: ")
code3=len(answer3)%10
answer4=raw_input("What is your favourite flower?: ")
code4=len(answer4)%10
pin=str(code1)+str(code2)+str(code3)+str(code4)
print "Your PIN is %s" % pin