$601270\mathrm{.}4120114.q3zqy7$

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String codeWord is read from input. For each character in codeWord that is a letter, increment count by $1.$ Then, output "Valid" if

count is at least $3$ and codeWord's length is greater than $7.$ Otherwise, output "Invalid". End each output with a newline.

$$ Click for examples

Ex $1$: If the input is $39$ S $0$ vF $46,$ then the output is:

Valid

Ex $2$: If the input is $7$ WBPS $49,$ then the output is:

Invalid

Note: isalpha$()$ returns true if a character is a letter, and false otherwise. Ex: isalpha$(\text{'}$a$\text{'})$ returns true. isalpha$(\text{'}8\text{'})$ returns false.

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