{"raw_statement":[{"iden":"problem statement","content":"Compute $A \\times B$, truncate its fractional part, and print the result as an integer."},{"iden":"constraints","content":"*   $0 \\leq A \\leq 10^{15}$\n*   $0 \\leq B < 10$\n*   $A$ is an integer.\n*   $B$ is a number with two digits after the decimal point."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$A$ $B$"},{"iden":"sample input 1","content":"198 1.10"},{"iden":"sample output 1","content":"217\n\nWe have $198 \\times 1.10 = 217.8$. After truncating the fractional part, we have the answer: $217$."},{"iden":"sample input 2","content":"1 0.01"},{"iden":"sample output 2","content":"0"},{"iden":"sample input 3","content":"1000000000000000 9.99"},{"iden":"sample output 3","content":"9990000000000000"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}