out = ""
for i in range(11):
    a = open("a" + str(i).zfill(2), "r")
    b = open("b" + str(i).zfill(2), "r")

    al = a.readline()
    bl = b.readline()

    while al or bl:
        out += al[:-1].ljust(50) + bl
        al = a.readline()
        bl = b.readline()

    a.close()
    b.close()
    out += "\n\n\n\n\n\n\n\n\n\n"

print(out)