{"raw_statement":[{"iden":"problem statement","content":"You are given a non-empty string $S$ consisting of uppercase and lowercase English letters. Determine whether the following condition is satisfied:\n\n*   The first character of $S$ is uppercase, and all other characters are lowercase."},{"iden":"constraints","content":"*   $1 \\leq |S| \\leq 100$ ($|S|$ is the length of the string $S$.)\n*   Each character of $S$ is an uppercase or lowercase English letter."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"Capitalized"},{"iden":"sample output 1","content":"Yes\n\nThe first character `C` of `Capitalized` is uppercase, and all other characters `apitalized` are lowercase, so you should print `Yes`."},{"iden":"sample input 2","content":"AtCoder"},{"iden":"sample output 2","content":"No\n\n`AtCoder` contains an uppercase letter `C` that is not at the beginning, so you should print `No`."},{"iden":"sample input 3","content":"yes"},{"iden":"sample output 3","content":"No\n\nThe first character `y` of `yes` is not uppercase, so you should print `No`."},{"iden":"sample input 4","content":"A"},{"iden":"sample output 4","content":"Yes"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}