int main(void)
{
	int i,k,n,sum;
	while(scanf("%d",&n)!=EOF)
	{
		sum=1;
		int a[10000];
		for(i=1;i<10000;i++)
			a[i]=0;a[0]=1;
		for(k=1;k<=n;k++)
		{
			for(i=0;i<sum;i++)
				a[i]=a[i]*2;
			for(i=0;i<sum;i++)
				if(a[i]>=10)
				{
					a[i+1]=a[i+1]+a[i]/10;
					if(i+1==sum)sum++;
					a[i]=a[i]%10;
				}
		}
		for(i=sum-1;i>=0;i--)
			printf("%d",a[i]);printf("\n");
	}
	return 0;
}
