On repitition

Question

take input from the user .for eg:2now print how many times 2 is present currentlyfor eg:1 times 2 will be printed as :1 2now 1 appears 1 times .so next out put will be :1 1 1 2(2 appears 1 times)similarly3 1 1 2 1 3 2 1 1 2like this we have to print 10 lines