We do NOT recommend subtracting calories burned from exercise while using Carbon Diet Coach. If you subtract calories burned from exercise, the coaching system will not work correctly and cause you to overeat in calories.
As long as you are hitting your macro targets and checking into the app regularly, it will adjust to find exactly where you need to eat to progress. It takes into account any exercise you are doing because it manipulates your macros to reach the desired rate of progress each week. Just make sure to be consistent with your level of exercise each week.