Write a C program that prompts the user to enter a positive integer between 100 and 9999 inclusive). The program shall validate the number, if the number is valid, the program shall transform the number (construct a new number) as follows . if it is a 3-digit number, the program reverses the number. For example, the number 345 will be transformed to 543. • If it is a 4-digit number, the program exchanges the second and third digits. For example, the number 4527 will be transformed to A257. Sample input/output Enter a positive integer between 100 and 9999: 345 The number 345 is transformed to 543 Enter a positive integer between 100 and 9999: 4527 The number 4527 Is transformed to 4257 Enter a positive integer between 100 and 9999: 78

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