Description

Read in one character from the user (this may be ‘Y’, ‘y’, ‘N’, ‘n’). If the character is ‘Y’ or ‘y’ display “YES”. If the character is ‘N’ or ‘n’ display “NO”. No other character will be provided as input.

Input Format

One character (this may be ‘Y’, ‘y’, ‘N’, ‘n’).

Constraints

–

Output Format

One word: either “YES” or “NO” (quotation marks excluded).

Sample Input

Sample Input 1

y  

Sample Output

Sample Output 1

YES

Explanation

–

Submission

• -eq: numerical comparison
• ==: string comparison

read s

if [[ $s == 'Y' ]] || [[ $s == 'y' ]]
then
    echo "YES"
else
    echo "NO"
fi