str1= input()
list1 = str1.split(" ")
list2 = []
for num in list1:
    list2.append(int(num))
print(max(list2))
print(min(list2))
s=0
for i in list1:
    s += int(i)

print(s)

这个题目就是要注意传入的是str,但是要计算的是int,所以要作格式转换