fn solve(val: &mut usize) -> String {
    let mut ret: Vec<&str> = vec![];
    while *val > 0 {
        if *val % 2 == 0 { ret.push("R"); } else { ret.push("L"); }
        *val -= 1;
        *val /= 2;
    }
    ret.iter().rev().map(|s| *s).collect::<Vec<&str>>().join("")
}

fn main() {
    let mut m = String::new();
    std::io::stdin().read_line(&mut m).ok();
    let m: usize = m.trim().parse().unwrap();
    for _ in 0..m {
        let mut v = String::new();
        std::io::stdin().read_line(&mut v).ok();
        let mut v: usize = v.trim().parse().unwrap();
        println!("{}", solve(&mut v));
    }
}