#include <iostream>
#include <map>
#include <tuple>
#define repeat(i,n) for (int i = 0; (i) < int(n); ++(i))
#define repeat_from(i,m,n) for (int i = (m); (i) < int(n); ++(i))
typedef long long ll;
using namespace std;
const int inf = 1e9+7;
int op(int a, int b) { // associative and commutative in N_+
    return min<ll>(inf, a + b + a*(ll)b);
}
int op_k(int a, int b, int k) { // a * b * b * ... * b  (k times)
    while (k -- and a != inf) a = op(a, b);
    return a;
}
ll solve(int x, int last, int n) {
    if (n == 1) {
        return (last <= x);
    } else {
        static map<tuple<int, int, int>, ll> memo;
        auto key = make_tuple(x, last, n);
        if (memo.count(key)) return memo[key];
        ll acc = 0;
        if (n == 0 and last <= x) acc += 1;
        repeat_from (a,last,x+1) {
            if (op_k(a, a, n-1) > x) break;
            if ((x - a) % (1 + a) == 0) {
                int b = (x - a) / (1 + a);
                if (a <= b) acc += solve(b, a, n-1);
            }
        }
        return memo[key] = acc;
    }
}
int main() {
    int n, x; cin >> n >> x;
    cout << solve(x, 1, n) << endl;
    return 0;
}