#define _CRT_SECURE_NO_WARNINGS
#include<sstream>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<climits>
#include<cmath>
#include<string>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<numeric>
#include<functional>
#include<algorithm>
#include<bitset>
#include<tuple>
#include<unordered_set>
#include<random>
using namespace std;
#define INF (1<<29)
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define all(v) v.begin(),v.end()
#define uniq(v) v.erase(unique(all(v)),v.end())

int n, x;

int f(int i, int prev, int s) {
	if (i == n - 1)return prev <= s;
	int res = 0;
	for (int b = prev; b <= (s - b) / (b + 1); b++) {
		if ((s - b) % (b + 1) == 0) {
			res += f(i + 1, b, (s - b) / (b + 1));
		}
	}
	return res;
}



int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);

	cin >> n >> x;
	cout << f(0, 1, x) << endl;
	
	
	return 0;
}