{"raw_statement":[{"iden":"problem statement","content":"You are given three words $s_1$, $s_2$ and $s_3$, each composed of lowercase English letters, with spaces in between. Print the acronym formed from the uppercased initial letters of the words."},{"iden":"constraints","content":"*   $s_1$, $s_2$ and $s_3$ are composed of lowercase English letters.\n*   $1 ≤ |s_i| ≤ 10 (1≤i≤3)$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$s_1$ $s_2$ $s_3$"},{"iden":"sample input 1","content":"atcoder beginner contest"},{"iden":"sample output 1","content":"ABC\n\nThe initial letters of `atcoder`, `beginner` and `contest` are `a`, `b` and `c`. Uppercase and concatenate them to obtain `ABC`."},{"iden":"sample input 2","content":"resident register number"},{"iden":"sample output 2","content":"RRN"},{"iden":"sample input 3","content":"k nearest neighbor"},{"iden":"sample output 3","content":"KNN"},{"iden":"sample input 4","content":"async layered coding"},{"iden":"sample output 4","content":"ALC"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}