strlist = input()[1:-1].split(',')
list1 = []
list2 = list1.copy()
for string in strlist:
    list.append(int(string))

mergesort(start,end):
    if(start+1==end):
        return
    m = (start+end)//2
    mergesort(start,m)
    mergesort(m,end)
    
    i1=start
    i2=m

    if(list[i1]>list[i2]):