Question: The following program is supposed to read two numbers from a file named Ex20Input.txt, and write the sum of the numbers to a file named

The following program is supposed to read two numbers from a file named Ex20Input.txt, and write the sum of the numbers to a file named Ex20Output.dat. However, it fails to do so. Rewrite the program so that it performs correctly. (You may assume that both numbers are on the same line.)

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