# include "bits/stdc++.h"
using namespace std;
using LL = long long;
using ULL = unsigned long long;
const double PI = acos(-1);
template<class T>constexpr T INF() { return ::std::numeric_limits<T>::max(); }
template<class T>constexpr T HINF() { return INF<T>() / 2; }
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
const int vy[] = { -1, -1, -1, 0, 1, 1, 1, 0 }, vx[] = { -1, 0, 1, 1, 1, 0, -1, -1 };
const int dx[4] = { -1,0,1,0 }, dy[4] = { 0,-1,0,1 };
int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; }
int d_sum(LL n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; }
int d_cnt(LL n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; }
LL gcd(LL a, LL b) { if (b == 0)return a; return gcd(b, a%b); };
LL lcm(LL a, LL b) { LL g = gcd(a, b); return a / g*b; };
# define ALL(qpqpq)           (qpqpq).begin(),(qpqpq).end()
# define UNIQUE(wpwpw)        (wpwpw).erase(unique(ALL((wpwpw))),(wpwpw).end())
# define LOWER(epepe)         transform(ALL((epepe)),(epepe).begin(),TL<char>)
# define UPPER(rprpr)         transform(ALL((rprpr)),(rprpr).begin(),TU<char>)
# define FOR(i,tptpt,ypypy)   for(LL i=(tptpt);i<(ypypy);i++)
# define REP(i,upupu)         FOR(i,0,upupu)
# define INIT                 std::ios::sync_with_stdio(false);std::cin.tie(0)
# pragma warning(disable:4996)

int h, w, q;
int a[202][202];

void dfs(int i, int j, int x) {
	a[i][j] = x;
	REP(k, 4) {
		int ni = i + dy[k], nj = j + dx[k];
		if (0 <= ni&&ni < h && 0 <= nj&&nj < w&&a[ni][nj] != x)dfs(ni, nj, x);
	}
}

int main() {
	cin >> h >> w;
	REP(i, h)REP(j, w)cin >> a[i][j];
	int ans = -1;
	cin >> q;

	REP(i, q) {
		int r, c, x;
		cin >> r >> c >> x;
		if (q >= h*w) {
			ans = x;
			continue;
		}
		r--, c--;
		if (a[r][c] != x)dfs(r, c, x);
	}
	REP(i, h) {
		REP(j, w) {
			if (j)cout << " ";
			cout << (ans == -1 ? a[i][j] : ans);
		}
		cout << endl;
	}
}