102011: [AtCoder]ABC201 B - Do you know the second highest mountain?

Problem Statement

The Republic of AtCoder has $N$ mountains. The $i$-th mountain has a name $S_i$ and a height of $T_i$.

Return the name of the second highest mountain there. It is guaranteed that all the mountains have different names and different heights.

Constraints

• $2 \leq N \leq 1000$
• $1 \leq ({}$the length of $S_i) \leq 15$
• $1 \leq T_i \leq 10^5$
• $S_i \neq S_j \ (i \neq j)$
• $T_i \neq T_j \ (i \neq j)$
• $S_i$ consists of uppercase English letters, lowercase English letters, and digits.
• $N$ and $T_i$ are integers.

Input

Input is given from Standard Input in the following format:

$N$
$S_1$ $T_1$
$S_2$ $T_2$
$\vdots$
$S_N$ $T_N$

Output

Print the name of the second highest mountain.

Sample Input 1

3
Everest 8849
K2 8611
Kangchenjunga 8586

Sample Output 1

K2

The second highest mountain in the world is K2.

Sample Input 2

4
Kita 3193
Aino 3189
Fuji 3776
Okuhotaka 3190

Sample Output 2

Kita

The second highest mountain in Japan is Kita-dake.

Sample Input 3

4
QCFium 2846
chokudai 2992
kyoprofriends 2432
penguinman 2390

Sample Output 3

QCFium