Write a complete C++ modular program. You will need main and 3 additional modules - InData, Calc, and OutData. From main

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Write a complete C++ modular program. You will need main and 3
additional modules - InData, Calc, and OutData. From main call
InData to input two integers and one letter from the user in module
InData. Call Calc from main to determine the largest and smallest
of the numbers. Call module OutData from main to output the
numbers, letter and the largest and smallest in OutData. Use a
prototype for each function before main and then write out each
function after main.