/**
* @file 1000010424_2.cpp
* @author ???
* @date 2010?12?17
* @description
* ??????: ??2?N??
*/



int main()
{
	int power, output[34] = {1},								//??????????
		i, j,													//?????
		numEnd;													//???????

	cin >> power;												//?????

	for(i = 1; i <= power; i++)									//????2????
	{
		for(j = 0; j < 34; j++)
			output[j] *= 2;										//??2?

		for(j = 0; j < 34; j++)
			if(output[j] >= 10)									//???
			{
				output[j] -= 10;
				output[j + 1]++;
			}
	}

	for(numEnd = 33; numEnd > 0; numEnd--)
		if(output[numEnd] == 0)									//??????
			;
		else
			break;												//?????????

	//???
	for(i = numEnd; i >= 0; i--)
		cout << output[i];
	cout << endl;

	return 0;
}