{"problem":{"name":"Sheep and Wolves","description":{"content":"There are $S$ sheep and $W$ wolves. If the number of wolves is greater than or equal to that of sheep, the wolves will attack the sheep. If the wolves will attack the sheep, print `unsafe`; otherwise,","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc164_a"},"statements":[{"statement_type":"Markdown","content":"There are $S$ sheep and $W$ wolves.\nIf the number of wolves is greater than or equal to that of sheep, the wolves will attack the sheep.\nIf the wolves will attack the sheep, print `unsafe`; otherwise, print `safe`.\n\n## Constraints\n\n*   $1 \\leq S \\leq 100$\n*   $1 \\leq W \\leq 100$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$S$ $W$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc164_a","tags":[],"sample_group":[["4 5","unsafe\n\nThere are four sheep and five wolves. The number of wolves is not less than that of sheep, so they will attack them."],["100 2","safe\n\nMany a sheep drive away two wolves."],["10 10","unsafe"]],"created_at":"2026-03-03 11:01:13"}}