/*
#include <iostream>
#include <string>
using namespace std;
int main()
{
for (int i = 0; i < 10; i++)
{
string curRow = "";
for (int o = 0; o < 10; o++)
{
int n = i + o;
if (n > 9)
{
n -= 10;
}
curRow += to_string(n);
n = o - i;
if (n < 0)
{
n += 10;
}
if (n == 0)
{
curRow += "A ";
}
else if (n == 1)
{
curRow += "B ";
}
else if (n == 2)
{
curRow += "C ";
}
else if (n == 3)
{
curRow += "D ";
}
else if (n == 4)
{
curRow += "E ";
}
else if (n == 5)
{
curRow += "F ";
}
else if (n == 6)
{
curRow += "G ";
}
else if (n == 7)
{
curRow += "H ";
}
else if (n == 8)
{
curRow += "I ";
}
else if (n == 9)
{
curRow += "J ";
}
}
cout << curRow << "\n";
}
int a;
cin >> a;
return 0;
}*/
//Tehtävä 5
/*
#include <iostream>
#include <string>
using namespace std;
int main()
{
string input = "";
cin >> input;
bool modifyDone = false, modified = false, deleteNext = false;
string output = "";
char lastChar = ' ';
while (!modifyDone)
{
lastChar = ' ';
output = "";
deleteNext = false;
modified = false;
for (unsigned int i = 0; i < input.length(); i++)
{
if (i != 0)
{
if (input[i] == lastChar && (!modified || deleteNext))
{
if (!deleteNext)
{
output.pop_back();
deleteNext = true;
modified = true;
}
}
else
{
deleteNext = false;
output += input[i];
lastChar = input[i];
}
}
else
{
lastChar = input[i];
output += input[i];
}
}
if (!modified || output.length() <= 0)
{
modifyDone = true;
}
else
{
input = output;
}
}
cout << output << "\n";
int a;
cin >> a;
return 0;
}*/
//Tehtävä 1
/*
#include <iostream>
#include <string>
using namespace std;
int main()
{
unsigned int q = 0;
cin >> q;
for (unsigned int i = 0; i < q; i++)
{
unsigned int k = 0;
cin >> k;
string nums = "";
for(int o = 1; nums.length() < k; o++)
{
nums += to_string(o);
}
cout << nums[k - 1] << "\n";
}
int a;
cin >> a;
return 0;
}*/
//Tehtävä 3
#include <iostream>
#include <string>
using namespace std;
int main()
{
unsigned int q = 0;
cin >> q;
string input[512];
string output[512];
input[0] = "#";
output[0] = "#";
for (unsigned int i = 2; i <= q; i++)
{
unsigned power = pow(2, i - 1);
for (unsigned int o = 0; o < power / 2; o++)
{
output[o] = input[o] + input[o];
}
for (unsigned int o = power / 2; o < power; o++)
{
output[o] = input[o - (power / 2)];
for (unsigned int p = 0; p < power / 2; p++)
{
if (output[o][p] == '#')
{
output[o] += ".";
}
else
{
output[o] += "#";
}
}
}
for (unsigned int o = 0; o < output->size(); o++)
{
input[o] = output[o];
}
}
for (int i = 0; i < pow(2, q - 1); i++)
{
cout << output[i] << "\n";
}
int a;
cin >> a;
return 0;
}
//Tehtävä 2