{"raw_statement":[{"iden":"problem statement","content":"You are given a $3$\\-character string $S$, which is a concatenation of integers $a$ and $b$ between $1$ and $9$ (inclusive) and the character `x` in this order: `axb`.\nFind the product of $a$ and $b$."},{"iden":"constraints","content":"*   The length of $S$ is $3$.\n*   The $1$\\-st and $3$\\-rd characters are digits between $1$ and $9$ (inclusive).\n*   The $2$\\-nd character is `x`."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"3x7"},{"iden":"sample output 1","content":"21\n\nWe have $3 \\times 7 = 21$, which should be printed."},{"iden":"sample input 2","content":"9x9"},{"iden":"sample output 2","content":"81"},{"iden":"sample input 3","content":"1x1"},{"iden":"sample output 3","content":"1"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}