The Teacher of Physical Education

Description:

Input:

The first line contains the positive integer n (1 ≤ n ≤ 5000) — the number of pupils.

The next n lines contain the pupils' description. In the i-th line there is pupil's name name_i (a non-empty string which consists of uppercase and lowercase Latin letters, the length does not exceed five) and pupil's height x_i (130 ≤ x_i ≤ 215). Some pupils can have the same name. Uppercase and lowercase letters of the alphabet should be considered different.

Output:

Print n lines — pupils' names in the non-decreasing order of their heights. Each line must contain exactly one name.

If there are several answers, print any of them. Uppercase and lowercase letters of the alphabet should be considered different.

Sample Input:

4
Ivan 150
Igor 215
Dasha 158
Katya 150

Sample Output:

Ivan
Katya
Dasha
Igor

Sample Input:

2
SASHA 180
SASHA 170

Sample Output:

SASHA
SASHA