Sort Numbers

num = input()
list1 = []


for i in num:
    list1.append(i)
    if i == ",":
        list1.remove(',')
    if i == ' ':
        list1.remove(' ')

for i in range(0, len(list1)):
    list1[i] = int(list1[i])

list1.sort()
list1.reverse()

#for element in list1:
print(', '.join(map(str,list1)))