fn rand_memory() -> usize {
    Box::into_raw(Box::new("I hope this is a random number")) as usize
}

fn rand() -> usize {
    static mut X: usize = 0;
    unsafe {
        if X == 0 {
            X = rand_memory();
        }
        X ^= X << 13;
        X ^= X >> 17;
        X ^= X << 5;
        X
    }
}

fn read() -> Vec<i32> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    s.trim().split_whitespace().flat_map(|s| s.parse()).collect()
}

fn main() {
    let (h, w, p) = {
        let a = read();
        (a[0] as usize, a[1] as usize, a[2] as u32)
    };
    loop {
        let mut s = String::new();
        let mut p = "LD";
        let mut q = "UR";
        while s.len() < 400 {
            s.extend("RD".chars().cycle().take(rand() % 20 + 10));
            s.extend(p.chars().cycle().take(rand() % 4 + 4));
            std::mem::swap(&mut p, &mut q);
        }
        s.truncate(400);
        println!("{}", s);
        if read()[0] == -1 {
            break;
        }
    }
}