def main():

    a = input('Enter numbers:')
    a = a.split()
    alist = list(a)
    new_numbers = []
    for n in alist:
        new_numbers.append(int(n))
    alist = new_numbers

    newlist = {}

    for i in alist:
        if i in newlist:
            newlist[i]+=1
        else:
            newlist[i] = 1

    list2 = list(newlist.keys())
    list3 = list(newlist.values())

    for x in range(len(list2)):
        if list3[x] > 1:
            print(list2[x],'occurs',list3[x],'times')
        if list3[x] == 1:
            print(list2[x],'occurs',list3[x],'time')


main()