B. The Teacher of Physical Education
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

n pupils came to Physical Education lesson. We know the name and the height of each pupil.

Your task is to help the teacher of Physical Education to line up all pupils in non-decreasing order of their heights.

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 namei (a non-empty string which consists of uppercase and lowercase Latin letters, the length does not exceed five) and pupil's height xi (130 ≤ xi ≤ 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.

Examples
Input
4Ivan 150Igor 215Dasha 158Katya 150
Output
IvanKatyaDashaIgor
Input
2SASHA 180SASHA 170
Output
SASHASASHA