{"problem":{"name":"Batting Average","description":{"content":"> Takahashi is making a computer baseball game.   > He will write a program that shows a batter's batting average with a specified number of digits. There are integers $A$ and $B$, which satisfy $1 \\","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc274_a"},"statements":[{"statement_type":"Markdown","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 $S$.\n\n## Constraints\n\n*   $1 \\leq A \\leq 10$\n*   $0 \\leq B \\leq A$\n*   $A$ and $B$ are integers.\n\n## Input\n\nThe input is given from Standard Input in the following format:\n\n$A$ $B$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc274_a","tags":[],"sample_group":[["7 4","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`."],["7 3","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`."],["2 1","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."],["10 10","1.000"],["1 0","0.000"]],"created_at":"2026-03-03 11:01:14"}}