Question: C programming Two characters are read from input into variables firstChar and lastChar. Output Valid input if firstChar and lastChar are not the same character

C programming Two characters are read from input into variables firstChar and lastChar. Output "Valid input" if firstChar and lastChar are not the same character

(

regardless of case if the input contains letters

) .

Otherwise, output "Invalid input". End each output with a newline.

1

: If the input is j

.,

then the output is:

Valid input

2

: If the input is Cc

,

then the output is:

Invalid input

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