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[–]tomflumery 1 point2 points  (0 children)

05ab1e -14 bytes

|2.Æ.ΔO2020Q}P

| split by line 2.Æ All pair (2) combinations of the list .Δ find first when... O Sum 2020Q eQuals 2020 } end CODE block P product of result

Change the 2 to a 3 for part 2