{"raw_statement":[{"iden":"problem statement","content":"Snuke lives at position $x$ on a number line. On this line, there are two stores $A$ and $B$, respectively at position $a$ and $b$, that offer food for delivery.\nSnuke decided to get food delivery from the closer of stores $A$ and $B$. Find out which store is closer to Snuke's residence.\nHere, the distance between two points $s$ and $t$ on a number line is represented by $|s-t|$."},{"iden":"constraints","content":"*   $1 \\leq x \\leq 1000$\n*   $1 \\leq a \\leq 1000$\n*   $1 \\leq b \\leq 1000$\n*   $x, a$ and $b$ are pairwise distinct.\n*   The distances between Snuke's residence and stores $A$ and $B$ are different."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$x$ $a$ $b$"},{"iden":"sample input 1","content":"5 2 7"},{"iden":"sample output 1","content":"B\n\nThe distances between Snuke's residence and stores $A$ and $B$ are $3$ and $2$, respectively. Since store $B$ is closer, print `B`."},{"iden":"sample input 2","content":"1 999 1000"},{"iden":"sample output 2","content":"A"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}