{"raw_statement":[{"iden":"problem statement","content":"Print the color of the cell at the $R$\\-th row from the top and $C$\\-th column from the left in the following grid with $15$ vertical rows and $15$ horizontal columns.\n![image](https://img.atcoder.jp/abc264/eeab5156a2678c35e42c5eb4cf38353d.png)"},{"iden":"constraints","content":"*   $1 \\leq R, C \\leq 15$\n*   $R$ and $C$ are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$R$ $C$"},{"iden":"sample input 1","content":"3 5"},{"iden":"sample output 1","content":"black\n\nIn the grid above, the cell at the $3$\\-rd row from the top and $5$\\-th column from the left is black. Thus, `black` should be printed."},{"iden":"sample input 2","content":"4 5"},{"iden":"sample output 2","content":"white\n\nIn the grid above, the cell at the $4$\\-th row from the top and $5$\\-th column from the left is white. Thus, `white` should be printed."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}