题解 | 23年OPPO-a的翻转

import sys

for line in sys.stdin:
    a_in = int(line)
    a = a_in
    a_flip = 0
    while a_in :
        a_flip = a_flip * 10 + a_in % 10
        a_in = (a_in - a_in % 10) // 10
    print(a + a_flip)