What is Howling Prime?

A howling prime is a prime number if the sum of its digits is also a prime number. <

Example 1

Input: 113
Output: true [113 is a prime number, 1+1+3=5 is also a prime number]

Input: 89
Output: true [89 is a prime number, 8+9=17 is also a prime number]

Input: 19
Output: false [19 is a prime number, but 1+9=10 is not a prime number]

Example:

Enter a number in the input box below

Output appears here...

Output appears here...

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