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Days of month

Threads: Please enter a number that 1 the month of the year, print see how many days of the month. Regarded as the month 2 always 28 day.
Input: An integer.
Output: Number of days in a month. If the month is invalid, then print out “NOT FOUND”.

For example 1:

input:
1
output:
31

For example 2:

input:
13
output:
NOT FOUND

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