Count Valid Integers in a Loop

Read 5 lines of input. For each line, try to parse it as an integer. Count how many lines are valid integers and how many are invalid. At the end, print:

Valid: X
Invalid: Y

Use a loop with a try-catch inside.

⚠️ AUTO-INPUT MODE: The input stream will automatically contain '10\nabc\n3\nhello\n7\n'.

Expected Output:

Valid: 3
Invalid: 2

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