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Highest Frequency Character

1. You are given a string str. 2. You are required to find the character with maximum frequency.

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Highest Frequency Character

easy

1. You are given a string str. 2. You are required to find the character with maximum frequency.

Constraints

0 < str.length() <= 100 There will be a single character with highest frequency

Format

Input

A string str

Output

The character with highest frequency

Example

Sample Input

zmszeqxllzvheqwrofgcuntypejcxovtaqbnqyqlmrwitc

Sample Output

q

Question Video

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