first = input("输入数组内元素（用空格分隔）: ")
str_list = first.split(" ")
second = [int(i) for i in str_list]
target = int(input("输入目标值: "))
a = 0

while a < len(second):
if a + 1 < len(second):
if second[a] + second[a + 1] == target:
print(a, a + 1)
break
a += 1