输出有点奇怪,这里是照搬别的小兄弟的

while True:
    try:
        num1 , num2 = [int(x) for x in input().split()]
        list_num = []

        list_num  =  [int(i) for i in input().split()]

        list_num.sort()

        list_res = []
        list_res = list_num[0:num2]
#         for i in list_res:
#             print(i, end=(' '))
        print(' '.join(map(str,list_res)))
    except:
        break