n = eval(input())

if n[-1] == "2" or n[-1] == "4" or n[-1] == "5" or n[-1] == "7" or n[-1] == "9" :

    print("hon")

elif n[-1] == "0" or n[-1] == "1" or n[-1] == "6" or n[-1] == "8" :

    print("pon")

else:

    print("bon")

n = eval(input())

if n[-1] in("2","4","5","7","9") :

    print("hon")

elif n[-1] in("0","1","6","8"):

    print("pon")

else:

    print("bon")
n = eval(input())
if n[-1] == "2" or n[-1] == "4" or n[-1] == "5" or n[-1] == "7" or n[-1] == "9":
    print("hon")
elif n[-1] == "0" or n[-1] == "1" or n[-1] == "6" or n[-1] == "8":
    print("pon")
else:
    print("bon")

n = eval(input())
if n[-1] in ("2", "4", "5", "7", "9"):
    print("hon")
elif n[-1] in ("0", "1", "6", "8"):
    print("pon")
else:
    print("bon")

-if n[-1] == "2" or n[-1] == "4" or n[-1] == "5" or n[-1] == "7" or n[-1] == "9": +if n[-1] in ("2", "4", "5", "7", "9"): -elif n[-1] == "0" or n[-1] == "1" or n[-1] == "6" or n[-1] == "8": +elif n[-1] in ("0", "1", "6", "8"):