{"raw_statement":[{"iden":"problem statement","content":"When you asked some guy in your class his name, he called himself $S$, where $S$ is a string of length between $3$ and $20$ (inclusive) consisting of lowercase English letters. You have decided to choose some three consecutive characters from $S$ and make it his nickname. Print a string that is a valid nickname for him."},{"iden":"constraints","content":"*   $3 \\leq |S| \\leq 20$\n*   $S$ consists of lowercase English letters."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"takahashi"},{"iden":"sample output 1","content":"tak"},{"iden":"sample input 2","content":"naohiro"},{"iden":"sample output 2","content":"nao"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}