{"raw_statement":[{"iden":"problem statement","content":"A shop sells a product whose regular price is $A$ yen (Japanese currency) for $B$ yen. By what percentage of the regular price is this product discounted?"},{"iden":"constraints","content":"*   $A$ and $B$ are integers.\n*   $1 ≤ B < A ≤ 10^5$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$A$ $B$"},{"iden":"sample input 1","content":"100 80"},{"iden":"sample output 1","content":"20.0\n\nIf a product whose regular price is $100$ yen is sold for $80$ yen, it is discounted by $20$ percent of the regular price."},{"iden":"sample input 2","content":"7 6"},{"iden":"sample output 2","content":"14.285714285714285714"},{"iden":"sample input 3","content":"99999 99998"},{"iden":"sample output 3","content":"0.00100001000010000100"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}