BAEKJOON 17143

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.StringTokenizer;

public class Main {
	static int R, C, M, ans;
	static Shark[][] map;
	static ArrayList<Shark> list = new ArrayList<Shark>();
	static int[] dy = { -1, 1, 0, 0 }; 
	static int[] dx = {  0, 0, 1,-1 };
	
	public static void main(String[] args) throws Exception{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st = new StringTokenizer(br.readLine());
		R = Integer.parseInt(st.nextToken());
		C = Integer.parseInt(st.nextToken());
		M = Integer.parseInt(st.nextToken());
		
		map = new Shark[R+1][C+1];	
		for (int i = 0; i < M; i++) {
			st = new StringTokenizer(br.readLine());
			int r = Integer.parseInt(st.nextToken());
			int c = Integer.parseInt(st.nextToken());
			int s = Integer.parseInt(st.nextToken());
			int d = Integer.parseInt(st.nextToken());
			int z = Integer.parseInt(st.nextToken());
			
			Shark shark = new Shark(r,c,s,d-1,z); 
			list.add(shark);
			map[r][c] = shark;
		}

		for (int i = 1; i <= C; i++) {
			fish(i);
			move();
			delete();
		}
		
		System.out.println(ans);
	}

	static void fish(int x) {
		for (int y = 1; y <= R; y++) {
			if( map[y][x] != null ) {
				ans += map[y][x].z;
				list.remove(map[y][x]);
				break;
			}
		}
	}

	static void move() {
		for (Shark shark : list) {
			int r = shark.r;
			int c = shark.c;
			int s = shark.s;
			int d = shark.d;
			
			switch(d) {
			case 0: 
			case 1:
				s = s%(R*2 -2);
				for (int i = 0; i < s; i++) {
					if( r == 1 ) d = 1; 
					else if( r == R ) d = 0;
					r += dy[d];
				}
				shark.d = d;
				shark.r = r;
				break;
				
			case 2: 
			case 3:
				s = s%(C*2 -2);
				for (int i = 0; i < s; i++) {
					if( c == 1 ) d = 2; 
					else if( c == C ) d = 3;
					c += dx[d];
				}
				shark.d = d;
				shark.c = c;
				break;
			}
			
		}
	}
	
	static void delete() {

		for (int i = 1; i <= R; i++) {
			for (int j = 1; j <= C; j++) {
				map[i][j] = null;
			}
		}
		
		int size = list.size();
		for (int i = size-1; i >= 0; i--) { 
			Shark s = list.get(i);
			if( map[s.r][s.c] == null ) {
				map[s.r][s.c] = s;
			}else {
				if( s.z > map[s.r][s.c].z ) {
					list.remove(map[s.r][s.c]);
					map[s.r][s.c] = s;
				}else {
					list.remove(s);
				}
			}
			
		}
	}
	
	static class Shark{
		int r, c, s, d, z;
		public Shark(int r, int c, int s, int d, int z) {
			this.r = r;
			this.c = c;
			this.s = s;
			this.d = d;
			this.z = z;
		}
	}
}