ЕГЭ № 5. Задание 2

def F(n):
    s = str(n)

    a = int(s[0])
    b = int(s[1])
    c = int(s[2])

    e = a + b
    q = b + c

    if e < q:
        e, q = q, e

    return int(str(e) + str(q))


for i in range(100, 1_000):
    if F(i) == 1711:
        print(i)
        break