Need help with making this program.

(Find new time) the current time of day in military time. Can not use any built in Java date or time methods. Must use if's and switch statements to accomplish this. SAMPLE RUN \#1: Enter time: 44 Enter the number of hours passed: 26d The new time is: 6 el SAMPLE RUN \#2: Enter time: 7244 Enter the number of hours passed: 26d Invalid starting time was entered, starting time must be 0-23d