Binged on 3000 calories!!! What should I do?

I don't know what caused me ton binge today. I eat about 3000-3500 calories! This included half a jar of peanut butter, a lot of oatmeal and müsli full of nuts and dried fruits, and bread. I feel terrible:-( Im trying to lose 3-4 kg by the end of March, but binging like this won't help me at all.
Should I cut my calories back to 1000 for the next four days to level it out?
Im trying to stick to a 1400 calorie diet.
Binged on 3000 calories!!! What should I do?
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