#include <stdio.h>
int isKthBitSet(int n, int k) {
// Write your code here
if(n == 0 ) return 0;
else if(n < 0) return 1;
else
{
for(int i = 0; i < n; i++ )
{
if(1 != (k & (1 << i))) return i;
}
}
}
int main() {
int n, k;
scanf("%d %d", &n, &k);
printf("%d", isKthBitSet(n, k));
return 0;
}