题解 | kiki算数

a,b = map(int, input().split())
m = a + b 
if a >= 100:
    g = a % 10
    s = a // 10 % 10
    if s == 0 and g != 0:
        a = g
    elif s == 0 and g == 0:
        a = 0
    elif s != 0:
        a = 10 * s + g
if b >= 100:
    g = b % 10
    s = b // 10 % 10
    if s == 0 and g != 0:
        b = g
    elif s == 0 and g == 0:
        b = 0
    elif s != 0:
        b = 10 * s + g
if m >= 100:
    g = m % 10
    s = m // 10 % 10
    if s == 0 and g != 0:
        m = g
    elif s == 0 and g == 0:
        m = 0
    elif s != 0:
        m = 10 * s + g
print(m)