{"raw_statement":[{"iden":"problem statement","content":"> Takahashi is making a computer baseball game.  \n> He will write a program that shows a batter's batting average with a specified number of digits.\n\nThere are integers $A$ and $B$, which satisfy $1 \\leq A \\leq 10$ and $0 \\leq B \\leq A$.  \nLet $S$ be the string obtained as follows.\n\n*   Round off $\\dfrac{B}{A}$ to three decimal digits, then write the integer part ($1$ digit), `.` (the decimal point), and the decimal part ($3$ digits) in this order, with trailing zeros.\n\nFor example, if $A=7$ and $B=4$, then $\\dfrac{B}{A} = \\dfrac{4}{7} = 0.571428\\dots$ rounded off to three decimal digits is $0.571$. Thus, $S$ is `0.571`.\nYou are given $A$ and $B$ as the input and asked to print $S$."},{"iden":"constraints","content":"*   $1 \\leq A \\leq 10$\n*   $0 \\leq B \\leq A$\n*   $A$ and $B$ are integers."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$A$ $B$"},{"iden":"sample input 1","content":"7 4"},{"iden":"sample output 1","content":"0.571\n\nAs explained in the Problem Statement, $\\dfrac{B}{A} = \\dfrac{4}{7} = 0.571428\\dots$ rounded off to three decimal digits is $0.571$. Thus, $S$ is `0.571`."},{"iden":"sample input 2","content":"7 3"},{"iden":"sample output 2","content":"0.429\n\n$\\dfrac{B}{A} = \\dfrac{3}{7} = 0.428571\\dots$ rounded off to three decimal digits is $0.429$. (Note that it got rounded up.)  \nThus, $S$ is `0.429`."},{"iden":"sample input 3","content":"2 1"},{"iden":"sample output 3","content":"0.500\n\n$\\dfrac{B}{A} = \\dfrac{1}{2} = 0.5$ rounded off to three decimal digits is again $0.5$.  \nThus, $S$ is `0.500`. Note that it must have three decimal places."},{"iden":"sample input 4","content":"10 10"},{"iden":"sample output 4","content":"1.000"},{"iden":"sample input 5","content":"1 0"},{"iden":"sample output 5","content":"0.000"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}