{"problem":{"name":"Crane and Turtle","description":{"content":"There are some animals in a garden. Each of them is a crane with two legs or a turtle with four legs. Takahashi says: \"there are $X$ animals in total in the garden, and they have $Y$ legs in total.\" D","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc170_b"},"statements":[{"statement_type":"Markdown","content":"There are some animals in a garden. Each of them is a crane with two legs or a turtle with four legs.\nTakahashi says: \"there are $X$ animals in total in the garden, and they have $Y$ legs in total.\" Determine whether there is a combination of numbers of cranes and turtles in which this statement is correct.\n\n## Constraints\n\n*   $1 \\leq X \\leq 100$\n*   $1 \\leq Y \\leq 100$\n*   All values in input are integers.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$X$ $Y$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc170_b","tags":[],"sample_group":[["3 8","Yes\n\nThe statement \"there are $3$ animals in total in the garden, and they have $8$ legs in total\" is correct if there are two cranes and one turtle. Thus, there is a combination of numbers of cranes and turtles in which the statement is correct."],["2 100","No\n\nThere is no combination of numbers of cranes and turtles in which this statement is correct."],["1 2","Yes\n\nWe also consider the case in which there are only cranes or only turtles."]],"created_at":"2026-03-03 11:01:14"}}