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At dinner, 100100 students passed through the cafeteria line and were served meals. 4040 fish entrees and 6060 pasta entrees were served to the students.

At dinner, 100100 students passed through the cafeteria line and were served meals. 4040 fish entrees and 6060 pasta entrees were served to the students. A total of 2020 students chose neither entree. Assuming all students were served zero, one, or two entrees, how many students were served two entrees?

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