IN MIPS AND MUST RUN IN QTSPIM

Write a program in MIPS that prompts user for a positive integer input n that is less than or equal to 1000. Calculate two sums: one is the sum of all even numbers, the other is the sum of all odd numbers less than or equal to n. Then do a subtraction between these two sums. Display the results with appropriate messages. The program should reject any invalid input with an appropriate message Comment your code appropriately