dr = [0, 0, 1, -1]
dc = [1, -1, 0, 0]

H, W = map(int, raw_input().split())
board = [map(int, raw_input().split()) for _ in xrange(H)]
Q = input()
queries = [map(int, raw_input().split()) for _ in xrange(Q)]

def dfs(r, c, color):
    visited = set()
    stack = [(r, c)]
    while len(stack) > 0:
        r, c = stack.pop()
        if (r, c) in visited or board[r][c] == color:
            continue
        visited.add((r, c))
        board[r][c] = color
        for i in xrange(4):
            nr, nc = r+dr[i], c+dc[i]
            if nr < 0 or nr >= H or nc < 0 or nc >= W or (nr, nc) in visited:
                continue
            stack.append((nr, nc))

for q in queries:
    dfs(q[0]-1, q[1]-1, q[2])
for i in xrange(H):
    print ''.join(map(str, board[i]))