import sys
input = sys.stdin.readline

H,W=map(int,input().split())
MAP=[list(map(int,input().split())) for i in range(H)]

flag=0

Q=int(input())
for tests in range(Q):
    x,y,c=map(int,input().split())
    x-=1
    y-=1

    if flag==1:
        MAP[0][0]=c
        continue

    if MAP[x][y]==c:
        continue

    Q=[(x,y)]

    MAP[x][y]=c
    count=1

    while Q:
        x,y=Q.pop()
        for z,w in [(x+1,y),(x-1,y),(x,y+1),(x,y-1)]:
            if 0<=z<H and 0<=w<W and MAP[z][w]!=c:
                MAP[z][w]=c
                Q.append((z,w))
                count+=1

    if count==H*W:
        flag=1

if flag==1:
    for i in range(H):
        print(*[MAP[0][0]]*W)
else:
    for i in range(H):
        print(*MAP[i])