Is the Phone Number Valid?

Your task is to create a program that uses regular expressions to validate phone numbers. A valid phone number can have anywhere between 10 to 14 digits and may start with an optional + symbol.

The input contains a single line with a phone number.

The program should print Valid if the given phone number is valid and Invalid otherwise.

Input	Output
+12345678901	Valid
123456789	Invalid
123456789012345	Invalid
+12345678901234	Valid

Constraints

Time limit: 2.4 seconds

Memory limit: 512 MB

Output limit: 1 MB

Is the Phone Number Valid?

Constraints

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