use proconio::input;

fn main(){
    input!{
        mut a: i128,
        mut b: i128,
    }

    if a*b < 0{
        print!("-");
        a = a.abs();
        b = b.abs();
    }
    print!("{}", a/b);
    a %= b;
    if a == 0{
        println!();
        return;
    }

    print!(".");
    while a != 0{
        a = 10*(a%b);
        print!("{}", a/b);
    }
    println!();
}