{"problem":{"name":"Postal Code","description":{"content":"The postal code in Atcoder Kingdom is $A+B+1$ characters long, its $(A+1)$\\-th character is a hyphen `-`, and the other characters are digits from `0` through `9`. You are given a string $S$. Determin","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc084_b"},"statements":[{"statement_type":"Markdown","content":"The postal code in Atcoder Kingdom is $A+B+1$ characters long, its $(A+1)$\\-th character is a hyphen `-`, and the other characters are digits from `0` through `9`.\nYou are given a string $S$. Determine whether it follows the postal code format in Atcoder Kingdom.\n\n## Constraints\n\n*   $1≤A,B≤5$\n*   $|S|=A+B+1$\n*   $S$ consists of `-` and digits from `0` through `9`.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$A$ $B$\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc084_b","tags":[],"sample_group":[["3 4\n269-6650","Yes\n\nThe $(A+1)$\\-th character of $S$ is `-`, and the other characters are digits from `0` through `9`, so it follows the format."],["1 1\n---","No\n\n$S$ contains unnecessary `-`s other than the $(A+1)$\\-th character, so it does not follow the format."],["1 2\n7444","No"]],"created_at":"2026-03-03 11:01:14"}}