n = int(input())

number_n = input()

list_ns = map(int, list(number_n))

list_ns1 = list(list_ns)

print(list_ns1)

new_list=[]

while list_ns1:

for i in list_ns1:

if i == min(list_ns1):

a = list_ns1.pop(list_ns1.index(i))

new_list.append(a)

else:

continue

result = ' '.join(map(str,new_list))

print(result)