#include <stdio.h>
int main()
{
int n = 0;
//多组输入
while (~scanf("%d", &n))
{
printf("%d\n", 1 << n);
getchar();
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0;
//多组输入
while (~scanf("%d", &n))
{
printf("%d\n", 1 << n);
getchar();
}
return 0;
}