#define _USE_MATH_DEFINES
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
#define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
#include <nmmintrin.h>
#include <immintrin.h>
#include <mmintrin.h>

using namespace std;

#define dprint(Exp,...) if(Exp){fprintf(stderr, __VA_ARGS__);}
#define printe(...) fprintf(stderr, __VA_ARGS__);
#define PrtExp(_Exp)  cerr<< #_Exp <<" = "<< (_Exp)
#define PrtExpN(_Exp)  cerr<< #_Exp <<" = "<< (_Exp) <<"\n"

#define SINT(n) scanf("%d",&n)
#define SINT2(n,m) scanf("%d %d",&n,&m)
#define SINT3(n,m,o) scanf("%d %d %d",&n,&m,&o)
#define SINT4(n,m,o,P) scanf("%d %d %d %d",&n,&m,&o,&P)
#define SINT5(n,m,o,P,q) scanf("%d %d %d %d %d",&n,&m,&o,&P,&q)
#define SLL(n) scanf("%lld",&n)
#define SLL2(n,m) scanf("%lld %lld",&n,&m)
#define SLL3(n,m,o) scanf("%lld %lld %lld",&n,&m,&o)
#define SST(s) scanf("%s",s)
#define SCH(c) scanf("%c",&c)

#define GC() getchar()

#define PINT(n) printf("%d",(int)(n))
#define PINT2(n,m) printf("%d %d",(int)(n),(int)(m))
#define PINT3(n,m,l) printf("%d %d %d",(int)(n),(int)(m),(int)(l))
#define PLL(n) printf("%lld",(long long)(n))
#define PST(s) printf("%s",(s))
#define PCH(s) printf("%c",(s))

#define PINTN(n) printf("%d\n",(int)(n))
#define PINT2N(n,m) printf("%d %d\n",(int)(n),(int)(m))
#define PINT3N(n,m,l) printf("%d %d %d\n",(int)(n),(int)(m),(int)(l))
#define PLLN(n) printf("%lld\n",(long long)(n))
#define PSTN(s) printf("%s\n",(s))
#define PCHN(s) printf("%c\n",(s))

#define PSP() printf(" ")
#define PN() printf("\n")

#define PC(c) putchar(c)
#define CSP (' ')
#define SN ("\n")

#define rep(i,a) for(int i=0;i<a;i++)
#define reP(i,a) for(int i=0;i<=a;i++)
#define Rep(i,a) for(int i=a-1;i>=0;i--)
#define ReP(i,a) for(int i=a;i>=0;i--)

#define rEp(i,a) for(i=0;i<a;i++)
#define rEP(i,a) for(i=0;i<=a;i++)
#define REp(i,a) for(i=a-1;i>=0;i--)
#define REP(i,a) for(i=a;i>=0;i--)

#define repft(i,a,b) for(int i=a;i<b;i++)
#define repfT(i,a,b) for(int i=a;i<=b;i++)
#define Repft(i,a,b) for(int i=a-1;i>=b;i--)
#define RepfT(i,a,b) for(int i=a;i>=b;i--)

#define foreach(a,it) for(auto it = a.begin(); it != a.end(); ++it)

#define FILL(a,v) fill(begin(a),end(a), v)
#define FILL0(a) memset(a,0,sizeof(a))
#define FILL1(a) memset(a,-1,sizeof(a))

typedef long long ll;

typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll>   Pll;


const int INF = 1'010'000'000; // 0x3C33'6080
const ll INFLL = 0x1f1f1f1f1f1f1f1fLL;//2,242,545,357,980,376,863

template <class A, class B> inline ostream& operator<<(ostream& st, const pair<A, B>& P) { return st << "(" << P.first << "," << P.second << ")"; };
template <class A, class B> inline pair<A, B> operator+(const pair<A, B>& P, const pair<A, B>& Q) { return pair<A, B>(P.first + Q.first, P.second + Q.second); };
template <class A, class B> inline pair<A, B> operator-(const pair<A, B>& P, const pair<A, B>& Q) { return pair<A, B>(P.first - Q.first, P.second - Q.second); };

#define fs  first
#define sc  second

const ll M = 1000000007;

int solve(int n, int k) {
	int a[50];
	rep(i, n) a[i] = i;

	int ret = 0;
	do {
		int b = 0;
		rep(i, n) {
			b += abs(a[i] - i);
		}
		if (b == k) {
			// cout << "| ";  rep(i, n) cout << a[i] + 1 << " "; cout << endl;

			if(++ret >= M) ret = 0;
		}
	} while (next_permutation(a, a+n));
	return ret;
}


int n, k;

ll memo[64][4096];
ll dfs(int i, int r) {
	if (r == 0) return 1;
	if (i == n) {
		/*
		if (r <= n) return 1;
		return 0;
		*/
		return 0;
	}
	if (memo[i][r] >= 0) return memo[i][r];
	ll ret = 0;
	
	reP(w, n-i+1) {
		if (r < w) break;
		ret += dfs(i + 1, r - w);
		ret %= M;
	}
	printf("dsf(%d, %d) : %lld\n", i, r, ret);
	return memo[i][r] = ret;
}

/*
1;
1, 1;
1, 2,  3;
1, 3,  7,  9,  4;
1, 4, 12, 24, 35, 24, 20
*/

int dat[] = {
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};

int main() {
	while (cin >> n >> k) {
		if (k % 2 == 1 || k > n*n/2) {
			cout << 0 << endl;
		} else {
			int x = 0;
			//rep(N, 60) {
			for(int N = 1; N < 60; ++N){
				for (int K = 0; K <= N * N / 2; K += 2) {
					if (N == n && K == k) {
						N = 100;
						break;
					}
					++x;
				}
			}
			//cout << x << endl;
			cout << dat[x] << endl;
		}
	}
}

/*
1 2 3 4
1 2 4 3  2 (+2)
1 4 2 3  4 (+2)
4 1 2 3  6 (+2)


/////
1   2  3 ...  48 49 50
50 49 48 ...   3  2  1
49 47 45
Sum : 1250


*/


/*
# -*- coding: utf-8 -*-
# 整数の入力

while 1:
	b, c = map(int, input().split())
	# 出力
	print("{}".format(c%1000000007))

*/

Measured memory_bytes: 256