# int2base_demo.py

# int2base_demo.py

list = "ABCDEFGHIJKLMNO"

def int2base(d, base):
    s = ''
    baseLen = len(base)
    d += 1
    while d:
        s = base[d % baseLen - 1] + s
        d = (d - 1) / baseLen
    return s

for z in range(256):

        print int2base(z ,list)