#include <bits/stdc++.h>
int max_row, max_col;
char mat[110][10000];

struct elk {
	int a, b;
};

void pprint(int centr, int a, int b) {
	int cnt = 0;
	for (int i = 0; i < a; i++) {
		for (int j = 0; j < b+i; j++) {
			for (int k = centr-j; k<=centr+j; k++) {
				mat[cnt][k]='#';
				max_col = std::max(max_col, k);
			}
			max_row = std::max(max_row, cnt);
			cnt++;
		}
	}
}

int new_centr(int centr, int a, int b) {
	int nc = centr + 2;
	int cnt = 0;
	for (int i = 0; i < a; i++) {
		for (int j = 0; j < b+i; j++) {
			//std::cout << cnt+1 << " " << nc-j+1 << "\n";
			//std::cout << mat[cnt+1][nc-j+1] << "\n";
			while(nc-j < 0 || mat[cnt][nc-j] == '#' || mat[cnt][nc-j-1] == '#' || (cnt > 0 && mat[cnt-1][nc-j] == '#') || (cnt > 0 && mat[cnt-1][nc-j-1] == '#') || mat[cnt+1][nc-j-1] == '#' || mat[cnt+1][nc-j] == '#'){
				nc++;
			}
			cnt++;
		}
	}
	return nc;
}

int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(nullptr);
	std::cout.tie(nullptr);
	max_row = 0;
	max_col = 0;
	for (int i = 0; i < 100; i++) {
		for (int j = 0; j < 5000; j++) {
			mat[i][j] = '.';
		}
	}
	int n, a, b;
	std::cin >> n;
	std::vector<elk> elks;
	for (int i = 0; i < n; i++) {
		std::cin >> a >> b;
		elks.push_back({a, b});
	}
	int centr = elks[0].a+elks[0].b-2;
	pprint(centr, elks[0].a, elks[0].b);
	for (int i = 1; i < n; i++) {
		centr = new_centr(centr, elks[i].a, elks[i].b);
		pprint(centr, elks[i].a, elks[i].b);
	}
	for (int i = 0; i < max_row+1; i++) {
		for (int j = 0; j < max_col+1; j++) {
			std::cout << mat[i][j];
		}
		std::cout << "\n";
	}
	return 0;
}