Problem
Given a sentence S, print the word that occurs most frequently. If multiple, print the lexicographically smallest.
Input format
Input
input.txt
- String S (up to 100 chars, lowercase, words separated by space)
Output format
Output
output.txt
- The most frequent word
Example
input
dog cat cat dog cat
output
cat
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Sample cases (from the problem)
Sample Case 1
Input
dog cat cat dog cat
Expected output
cat
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