题解 | 三角形的边

while True:
    try:
        a = list(map(int, input().split()))
        if a[1] == 0 or a[0] == 0  and a[2] == 0:
            break
        min_a = min(a)
        a.remove(min_a)
        min_a2 = min(a)
        a.remove(min_a2)
        print(min_a+min_a2-a[0])
    except:
        break