use proconio::{fastout, input};

#[fastout]
fn main() {
    input! {
        a: i32,
        b: i32,
    }
    println!("{}", output(solve(a, b)));
}

fn solve(mut a: i32, b: i32) -> String {
    let mut ans = String::new();
	if (a >= 0) ^ (b >= 0) {
		ans.push('-');
	}
	ans += &((a.abs() / b.abs()).to_string() + ".");
    a = a % b * 10;
    for _ in 1..=20 {
        ans.push((b'0' + (a.abs() / b.abs()) as u8) as char);
        a = a % b * 10;
    }
    ans
}

fn output(ans: String) -> String {
    ans
}