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Kelly bought some buns and gave half of them to Lionel. Lionel bought some sweets and gave half of them to Kelly.
Kelly ate 20 sweets and Lionel ate 44 buns.
As a result, the ratio of the number of buns to sweets Kelly had left became 7:1 and the ratio of the number of buns to sweets Lionel had left became 5: 1.
How many sweets did Lionel buy?