{"problem":{"name":"KEYENCE String","description":{"content":"A string is called a KEYENCE string when it can be changed to `keyence` by removing its contiguous substring (possibly empty) only once. Given a string $S$ consisting of lowercase English letters, det","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"keyence2019_b"},"statements":[{"statement_type":"Markdown","content":"A string is called a KEYENCE string when it can be changed to `keyence` by removing its contiguous substring (possibly empty) only once.\nGiven a string $S$ consisting of lowercase English letters, determine if $S$ is a KEYENCE string.\n\n## Constraints\n\n*   The length of $S$ is between $7$ and $100$ (inclusive).\n*   $S$ consists of lowercase English letters.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"keyence2019_b","tags":[],"sample_group":[["keyofscience","YES\n\n`keyence` is an abbreviation of `key of science`."],["mpyszsbznf","NO"],["ashlfyha","NO"],["keyence","YES"]],"created_at":"2026-03-03 11:01:14"}}