Max

문제

In a sequence of integers, the number of times an integer occurs is called the frequency of the integer.  Given a sequence of integers, find the highest frequency.

입력

The first line contains a single integer N (1 ≤ N ≤ 10000) denoting the number of integers in the sequence.  Each of the subsequent N lines contains an integer n (1 ≤ n ≤ 1000) in the sequence.

출력

The output contains an integer that is the highest frequency of the sequence.