Did I overeat? How many calories did I take in?

I'm a recovering anorexic and my parents are trying to put weight on me, but I still occasionally freak out about my caloric intake. Keep in mind that I'm Canadian, so calories may be different than the states. (Snacks were eaten 6hs apart)
Breakfast: 1 cup cornflakes, half cup of skim milk, greek yogurt (120 cal)
Lunch: Kraft dinner, 1 cup
Snacks: 90 cal yogurt, smallest size mcflurry from mcds
Dinner: Marie Callendar's frozen chicken pot pie ( and a half), half cup mash potatoes, made with skim milk, 1/4 cup of corn.
Did I overeat? How many calories did I take in?
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