{"raw_statement":[{"iden":"problem statement","content":"You are given a string $S$.\nTakahashi can insert the character `A` at any position in this string any number of times.\nCan he change $S$ into `AKIHABARA`?"},{"iden":"constraints","content":"*   $1 \\leq |S| \\leq 50$\n*   $S$ consists of uppercase English letters."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"KIHBR"},{"iden":"sample output 1","content":"YES\n\nInsert one `A` at each of the four positions: the beginning, immediately after `H`, immediately after `B` and the end."},{"iden":"sample input 2","content":"AKIBAHARA"},{"iden":"sample output 2","content":"NO\n\nThe correct spell is `AKIHABARA`."},{"iden":"sample input 3","content":"AAKIAHBAARA"},{"iden":"sample output 3","content":"NO"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}