(m, n) = input().split()
ar = [int(x) for x in input().split()]
res = []
ar.sort()
min = 0
for i in range(1,len(ar)) :
  if ar[i-1] != ar[i]:
    count = i - min
    min = i
    res.append(str(count))
  if i == (len(ar)-1):
    count = len(ar)-min
    res.append(str(count))
print(' '.join(res))

(m, n) = input().split()
ar = [int(x) for x in input().split()]
result = []
res = [0 for x in range(20)]
for a in ar:
  res[a-1]+=1
for r in res:
  if r != 0:
    result.append(str(r))
print(' '.join(result))

for a in ar:
  res[a-1]+=1

循环1： 
a = 2 
res[2] = 0+1 = 1 
循环2： 
a = 2 
res[2] = 1 +1 =2 
循环3： 
a = 1 
res[1] = 0+1 = 1 
循环4： 
a = 4 
res[4] = 0+1 = 1 
这样我们得到的 res = [0, 1 ,2 ,0 ,1 ,0 ····]

#省略上述代码
for i in range(len(res)):
  if res[i] != 0:
    for j in range(res[i]):
      result.append(i)
print(result)