{"raw_statement":[{"iden":"problem statement","content":"In the Kingdom of AtCoder, people use a language called Taknese, which uses lowercase English letters.\nIn Taknese, the plural form of a noun is spelled based on the following rules:\n\n*   If a noun's singular form does not end with `s`, append `s` to the end of the singular form.\n*   If a noun's singular form ends with `s`, append `es` to the end of the singular form.\n\nYou are given the singular form $S$ of a Taknese noun. Output its plural form."},{"iden":"constraints","content":"*   $S$ is a string of length $1$ between $1000$, inclusive.\n*   $S$ contains only lowercase English letters."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"apple"},{"iden":"sample output 1","content":"apples\n\n`apple` ends with `e`, so its plural form is `apples`."},{"iden":"sample input 2","content":"bus"},{"iden":"sample output 2","content":"buses\n\n`bus` ends with `s`, so its plural form is `buses`."},{"iden":"sample input 3","content":"box"},{"iden":"sample output 3","content":"boxs"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}