For C Programming: 2 questions and both programs should be in the same c file and same main() In the first loop, ask the user to enter 2 integers (0 to quit). Answer questions about the numbers you entered and display the answers. Example: Enter integers a, b: Print: Sum: a + b = Once this loop ends, you enter another loop. Ask the user to enter input file name. Ask the user to enter output file name. Open the files, one for reading and one for writing. Do some processing about the file, like removing certain letters. Write the processed data to the output file.