{"problem":{"name":"500 Yen Coins","description":{"content":"Takahashi has $K$ $500$\\-yen coins. (Yen is the currency of Japan.) If these coins add up to $X$ yen or more, print `Yes`; otherwise, print `No`.","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc150_a"},"statements":[{"statement_type":"Markdown","content":"Takahashi has $K$ $500$\\-yen coins. (Yen is the currency of Japan.) If these coins add up to $X$ yen or more, print `Yes`; otherwise, print `No`.\n\n## Constraints\n\n*   $1 \\leq K \\leq 100$\n*   $1 \\leq X \\leq 10^5$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$K$ $X$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc150_a","tags":[],"sample_group":[["2 900","Yes\n\nTwo $500$\\-yen coins add up to $1000$ yen, which is not less than $X = 900$ yen."],["1 501","No\n\nOne $500$\\-yen coin is worth $500$ yen, which is less than $X = 501$ yen."],["4 2000","Yes\n\nFour $500$\\-yen coins add up to $2000$ yen, which is not less than $X = 2000$ yen."]],"created_at":"2026-03-03 11:01:14"}}