# -*- coding: utf-8 -*-
ip_good = True
ip = input("Input IP: ")
ip_list = ip.split(".")
if len(ip_list) != 4:
    ip_good = False

for oct in ip_list:
    if not (oct.isdigit() and int(oct) in range(255)): 
	    ip_good = False
	
if not ip_good:
    print "Bad IP"
else:
    oct1, oct2, oct3, oct4 = [
        int(ip_list[0]),
        int(ip_list[1]),
        int(ip_list[2]),
        int(ip_list[3]),
    ]
    if oct1 >= 1 and oct1 <= 223:
        print ("unicast")
    elif oct1 >= 224 and oct1 <= 239:
        print ("multicast")
    elif ip == '255.255.255.255':
        print ("local broadcast")
    elif ip == '0.0.0.0':
        print ("unassigned")
    else:
        print ("unused")