#include <cstdio>
#include <cstring>

#include <vector>

using namespace std;

static void put(std::vector<char>& img, int M, int X, int Y, const char* str) {
	if (Y < 0 || Y >= M) return;

	int len = strlen(str);
	int ofs = 0;

	if (X < 0) {
		ofs = -X;
		X = 0;
	}
	if (ofs >= len)
		return;

	if (X + len - ofs >= M)
		len = M - X + ofs;

	if (len <= 0) return;

	memcpy(&img[(M+2)*(Y+1)+X+1], str + ofs, len - ofs);
}

int main() {
	for (;!feof(stdin);) {
		int M,N;
		if (scanf("%d %d", &M, &N) != 2)
			break;

		int M_ = M+2;
		std::vector<char> img;
		img.resize(M_*M_);
	memset(&img[0], 'x', M_*M_);
		memset(&img[0], '*', M_);
		memset(&img[M_], '.', (M_-2)*M_);
		memset(&img[(M_-1)*M_], '*', M_);

		for (int y = 1; y < M_-1; y++) {
			img[y*M_] = img[y*M_ + M_-1] = '*';
		}

		for (int i = 0; i < N; i++) {
			int S, X, Y;
			scanf("%d %d %d", &S, &X, &Y);
			Y = M - Y - 1;

			if (S == 0) {
				// _o_
				put(img, M, X - 1, Y, "_o_");
			}
			else {
				put(img, M, X - 1, Y, "_|_");
				put(img, M, X, Y - S - 1, "^");
				int Ymin = Y - S;
				if (Y - S < 0)
					S = Y;
				for (int y = Y - S; y < Y; y++)
					put(img, M, X-1, y, "/|\\");
			}
		}

		int i=0;
		for (int y = 0; y < M_; y++) {
			for (int x = 0; x < M_; x++)
				putchar(img[i++]);
			putchar('\n');
		}
		putchar('\n');
	}

	return 0;
}