// sis puella oier
#include <bits/stdc++.h>
using namespace std;
// #define int long long
typedef long long ll;
ll read(){
    ll xx = 0, f = 1; char ch = getchar();
    for (;!isdigit(ch); ch = getchar())f = (ch == '-' ? -1 : 1);
    for (; isdigit(ch); ch = getchar())xx = (xx << 3) + (xx << 1) + ch - '0';
    return xx * f;
}
signed main(){
    int n = read(), a = read(), b = read();
    if (a + b <= n - 1){
    for (int i = 1; i < n; ++i)printf("L");
    for (int i = 1; i < n; ++i)printf("U");
    for (int i = 1; i < a; ++i)printf("R");
    for (int i = 1; i < b; ++i)printf("D");
    }
    else if (n - a + n - b <= n - 1){
    for (int i = 1; i < n; ++i)printf("R");
    for (int i = 1; i < n; ++i)printf("D");
    for (int i = a; i < n; ++i)printf("L");
    for (int i = b; i < n; ++i)printf("U");
    }
    else if (n - a + b <= n - 1){
    for (int i = 1; i < n; ++i)printf("R");
    for (int i = 1; i < n; ++i)printf("U");
    for (int i = a; i < n; ++i)printf("L");
    for (int i = 1; i < b; ++i)printf("D");
    }
    else if (a + n - b <= n - 1){
    for (int i = 1; i < n; ++i)printf("L");
    for (int i = 1; i < n; ++i)printf("D");
    for (int i = 1; i < a; ++i)printf("R");
    for (int i = b; i < n; ++i)printf("U");
    }
    return 0;
}