#include <bits/stdc++.h>

using namespace std;

long long n, k, s, w, z, x, y, r, e, t, k3, a, b;

double s2 = 1.41421356237;

bool check(int p, int o)
{
    return (p >= 1) && (p <= n) && o >= 1 && o <= n;

}

int main()
{
	freopen("cleanUP.in", "r", stdin);
	freopen("cleanUP.out", "w", stdout);
   cin >> n >> k >> s >> w >> z >> x >> y;
   e = x;
   t = y;
   double tmp = (n - 1) * sqrt(2);
   k3 = floor(tmp) + 1;
   for(long long i = 0; i < k3; i++)scanf("%d", &z);
   for(long long i = 0; i < k; i++)cin >> a >> b;

   for(int i = 1; i <= s; i++)
   {
       do
       {
           r = (rand() + i) % 4;
           if(r == 0)e = x + 1;
           if(r == 1)e = x - 1;
           if(r == 2)t = y + 1;
           if(r == 3)t = y - 1;
       }
       while(check(e, t) == 0);
       if(x == e + 1)cout << "U";
       if(x == e - 1)cout << "D";
       if(y == t + 1)cout << "L";
       if(y == t - 1)cout << "R";
       x = e;
       y = t;
   }
    cout << endl;

    return 0;
}
/*

10 2 15 2 1 6 1
8 10 8 1 6 6 4 1 2 6 8 2 7
4 2
3 2


*/