N = int(input())
N_list = list(N)
if N_list[0] = 2 or N_list[0] = 4 or N_list[0] = 5 or N_list[0] = 7 or N_list[0] = 9:
    print(hon)
elif N_list[0] = 0 or N_list[0] = 1 or N_list[0] = 6 or N_list[0] = 8:
    print(pon)
else:
    print(bon)
    