tinkoff2

ab = str(input())
ac = str(input())
bc = str(input())

if (ab == "=" and ac == "="):
    print('abc')
    print('acb')
    print('bac')
    print('bca')
    print('cab')
    print('cba')
elif (ab == '>'):
    if (bc == '>'):
        print('cba')
    elif (bc == '='):
        print('bca')
        print('cba')
    elif (ac == '>'):
        print('bca')
    elif (ac == '<'):
        print('bac')
    else:
        print('bac')
        print('bca')
elif (ab == '<'):
    if (bc == '<'):
        print('abc')
    elif (bc == '='):
        print('abc')
        print('acb')
    elif (ac == '>'):
        print('cab')
    elif (ac == '<'):
        print('acb')
    else:
        print('acb')
        print('cab')
elif (bc =='>'):
    print('acb')
    print('cab')
else:
    print('bac')
    print('bca')