#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
typedef int64_t lint;
#define rep(i, n) for(int i=0; i<n; i++)
#define repx(i, l, n) for(int i=l; i<n; i++)
#define all(v) v.begin(), v.end()
#define show(x) cout << #x << ": " << x << endl;
#define list(x) cout << #x << ": " << x << "  ";
#define pb push_back
using vi = vector<lint>;
using vvi = vector<vector<lint>>;
template<class T> inline void vin(vector<T>& v) { rep(i, v.size()) cin >> v.at(i); }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T> inline void drop(T x) { cout << x << endl; exit(0); }
template<class T> void vout(vector<T> v) { rep(i, v.size()) { cout << v.at(i) << ' '; } cout << endl; }
constexpr lint LINF = LLONG_MAX/2;

int main() {
	lint N, Q;
	cin >> N >> Q;

	rep(_, Q) {
		lint a=0, b=0, c=0, x, y, z;
		cin >> x >> y;
		vi v(N+2), w(N+2);
		v[0] = x; w[0] = y;
		rep(i, N+1) {
			if (v[i] & ((lint)1<<i)) v[i+1] = v[i] + ((lint)1<<i);
			else v[i+1] = v[i];
		}
		rep(i, N+1) {
			if (w[i] & ((lint)1<<i)) w[i+1] = w[i] - ((lint)1<<i);
			else w[i+1] = w[i];
		}
		rep(i, N+2) {
			if (v[i] == w[i]) {
				a = i;
				break;
			}
		}
		rep(i, a) {
			if (v[i] != v[i+1]) b++;
			if (w[i] != w[i+1]) b++;
		}
		std::cout << b << '\n';
	}
}