Fast Food

I haven't exercised in over a month. My trip to Cali has been a food fest as it always is. This last week, I have been living out of a hotel room, with only some tortillas, cheese, and some frozen dinners in my room. I really haven't touched it. It has been fast food all week long for lunch and diner. Something has to change, and it has to change quick. I feel unhealthy right now. I go to work at 7 and I come home at 10 at night. What can I do?