input = open("aa1.txt",'r')
output = open('dbnuovo.txt','w')

for riga in input.readlines():
    input.seek(0)
    a = hex(int(riga.strip().split()[0]))
    print a
    input.seek(0)
    b = hex(int(riga.strip().split()[1]))
    print b
    input.seek(0)
    c = hex(int(riga.strip().split()[2]))
    print c
    input.seek(0)
    d = hex(int(riga.strip().split()[3]))
    print d
    ipkevuoleufo = str(a) + str(b) + ":" + str(c) + str(d)
    output.write(ipkevuoleufo + '\n')
input.close()
output.close()