陈教主的三角形

while True:
    try:
        ls = list(map(int,input().split()))
        ls.sort()
        a,b,c = ls[0],ls[1],ls[2]
        if a<=0 or b<=0 or c<=0:
            print('NO')
        else:
            if a + b > c:
                print("YES")
            else:
                print('NO')
    except:
        break

解题思路:

注意事项:

参考代码: