#[macro_export]
macro_rules! setup {
    { mut $input:ident: SplitWhitespace $(,)? } => {
        use std::io::Read;
        let mut buf = String::new();
        std::io::stdin().read_to_string(&mut buf).ok();
        let mut $input = buf.split_whitespace();
    };
}

#[macro_export]
macro_rules! parse_next {
    ($str_iter:expr) => {
        $str_iter.next().unwrap().parse().ok().unwrap()
    };
}

fn main() {
    setup! { mut input: SplitWhitespace };

    let m: usize = parse_next!(input);
    let a: Vec<usize> = (0..m).map(|_| parse_next!(input)).collect();

    use std::collections::{HashMap, VecDeque};
    let mut queue = VecDeque::new();
    let mut parent = HashMap::new();
    {
        let root = 0;
        queue.push_back(root);
    }
    while !queue.is_empty() {
        let i = match queue.pop_front() {
            Some(value) => value,
            None => unreachable!(),
        };
        if i == 4094 {
            break;
        }
        let children = vec![(i * 2) + 1, (i * 2) + 2];
        for j in children.into_iter() {
            queue.push_back(j);
            parent.insert(j, i);
        }
    }

    for i in 0..m {
        let mut path = VecDeque::new();
        let mut node = a[i];
        while let Some(prev) = parent.get(&node) {
            path.push_front(node);
            node = *prev;
        }
        let ans = path
            .iter()
            .map(|&node| match node % 2 != 0 {
                true => 'L',
                false => 'R',
            })
            .collect::<String>();

        println!("{}", ans);
    }
}