Given a list of N students. List dates of birth and the number of students on that date. Birthdays are listed in ascending order.

Input

• The first line shows the number of students N (N ≤ ~10^{5}~).

• The ~ith~ line in the following N lines is the date of birth of the ~ith~ student. Birthdate consists of 3 integers respectively date of birth.

• All birthdays are valid.

Output

• List each date of birth and the number of students on the same date on one line. Birth date as DD/MM/YYYY.

Sample Input:

5
10 3 1993
15 2 1995
15 2 1995
10 2 1994
10 3 1993

Sample Output:

10/03/1993 2
10/02/1994 1
15/02/1995 2