#include <bits/stdc++.h>
using namespace std;
#define FOR(i,k,n) for(int i = (k); i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(a) a.begin(), a.end()
#define MS(m,v) memset(m,v,sizeof(m))
#define D10 fixed<<setprecision(10)
typedef vector<int> vi;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef long long ll;
typedef long double ld;
const int MOD = 1000000007;
const int INF = MOD + 1;
const ld EPS = 1e-10;
template<class T> T &chmin(T &a, const T &b) { return a = min(a, b); }
template<class T> T &chmax(T &a, const T &b) { return a = max(a, b); }
int dx[] = { -1, 0, 0, 1 }; int dy[] = { 0, -1, 1, 0 };
//[int dx[] = { -1, -1, -1, 0, 0, 1, 1, 1 }; int dy[] = { 0, -1, 1, -1, 1, 0, -1, 1 };
bool valid(int x, int y, int h, int w) { return (x >= 0 && y >= 0 && x < h&&y < w); }
int place(int x, int y, int w) { return w*x + y; }

/*--------------------template--------------------*/
typedef int Weight;
struct Edge
{
	int to; Weight cost;
	bool operator < (const Edge& e) const { return cost < e.cost; }
	bool operator > (const Edge& e) const { return cost > e.cost; }
};
typedef vector<Edge> Edges;
typedef vector<Edges> Graph;
typedef vector<Weight> Array;
typedef vector<Array> Matrix;
void add_edge(Graph &g, int from, int to, Weight cost)
{
	g[from].push_back(Edge{ to, cost });
}

void dijkstra(Graph &g, Array &d, int s)
{
	d.assign(g.size(), INF);
	d[s] = 0;
	typedef pair<Weight, int> P;
	priority_queue<P, vector<P>, greater<P>> que;
	que.push(P(0, s));
	while (!que.empty())
	{
		Weight dist = que.top().first;
		int v = que.top().second;
		que.pop();
		if (d[v] < dist) continue;
		REP(i, g[v].size())
		{
			Edge e = g[v][i];
			if (d[e.to] > d[v] + e.cost)
			{
				d[e.to] = d[v] + e.cost;
				que.push(P(d[e.to], e.to));
			}
		}
	}
}


int main()
{
	int w, h, n;
	cin >> w >> h >> n;
	int sx, sy, gx, gy;
	cin >> sy >> sx >> gy >> gx;
	int v = (w + 1)*(h + 1);
	Graph g(v);	
	REP(i, h + 1)REP(j, w + 1)
	{
		REP(k, 4)
		{
			int nx = i + dx[k], ny = j + dy[k];
			if (!valid(nx, ny, h + 1, w + 1)) continue;
			int from = place(i, j, w + 1), to = place(nx, ny, w + 1);
			add_edge(g, from, to, 0);
		}
	}
	REP(i, n)
	{
		int x, y, t; cin >> y >> x >> t;
		string s; cin >> s;
		REP(j, t)REP(k, s.size())
		{
			if (s[k] == 'U')
			{
				int nx = x - 1, ny = y;
				if (!valid(nx, ny, h, w)) continue;
				int l = x*(w + 1) + y, r = l + 1;
				REP(ii, g[l].size())
				{
					if (g[l][ii].to == r)
					{
						g[l][ii].cost++;
						break;
					}
				}
				REP(ii, g[r].size())
				{
					if (g[r][ii].to == l)
					{
						g[r][ii].cost++;
						break;
					}
				}
				x = nx, y = ny;
			}
			else if (s[k] == 'D')
			{
				int nx = x + 1, ny = y;
				if (!valid(nx, ny, h, w)) continue;
				int l = nx*(w + 1) + ny, r = l + 1;
				REP(ii, g[l].size())
				{
					if (g[l][ii].to == r)
					{
						g[l][ii].cost++;
						break;
					}
				}
				REP(ii, g[r].size())
				{
					if (g[r][ii].to == l)
					{
						g[r][ii].cost++;
						break;
					}
				}
				x = nx, y = ny;
			}
			else if (s[k] == 'L')
			{
				int nx = x, ny = y - 1;
				if (!valid(nx, ny, h, w)) continue;
				int l = x*(w + 1) + y, r = l + w + 1;
				REP(ii, g[l].size())
				{
					if (g[l][ii].to == r)
					{
						g[l][ii].cost++;
						break;
					}
				}
				REP(ii, g[r].size())
				{
					if (g[r][ii].to == l)
					{
						g[r][ii].cost++;
						break;
					}
				}
				x = nx, y = ny;
			}
			else
			{
				int nx = x, ny = y + 1;
				if (!valid(nx, ny, h, w)) continue;
				int l = nx*(w + 1) + ny, r = l + w + 1;
				REP(ii, g[l].size())
				{
					if (g[l][ii].to == r)
					{
						g[l][ii].cost++;
						break;
					}
				}
				REP(ii, g[r].size())
				{
					if (g[r][ii].to == l)
					{
						g[r][ii].cost++;
						break;
					}
				}
				x = nx, y = ny;
			}
		}
	}

	Array dist;
	dijkstra(g, dist, place(sx, sy, w + 1));
	cout << dist[place(gx, gy, w + 1)] << endl;
	return 0;
}

Measured memory_bytes: 23520