{"problem":{"name":"Weak Beats","description":{"content":"You are given a string $S$ of length $16$ consisting of `0` and `1`. If the $i$\\-th character of $S$ is `0` for every even number $i$ from $2$ through $16$, 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":"abc323_a"},"statements":[{"statement_type":"Markdown","content":"You are given a string $S$ of length $16$ consisting of `0` and `1`.\nIf the $i$\\-th character of $S$ is `0` for every even number $i$ from $2$ through $16$, print `Yes`; otherwise, print `No`.\n\n## Constraints\n\n*   $S$ is a string of length $16$ consisting of `0` and `1`.\n\n## Input\n\nThe input is given from Standard Input in the following format:\n\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc323_a","tags":[],"sample_group":[["1001000000001010","No\n\nThe $4$\\-th character of $S=$ `1001000000001010` is `1`, so you should print `No`."],["1010100000101000","Yes\n\nEvery even-positioned character in $S=$ `1010100000101000` is `0`, so you should print `Yes`."],["1111111111111111","No\n\nEvery even-positioned character in $S$ is `1`. Particularly, they are not all `0`, so you should print `No`."]],"created_at":"2026-03-03 11:01:14"}}