import numpy as np
def main():
    n,d = map(int,input().split())
    square = np.arange(1,n + 1) ** 2
    Add = np.add.outer(square,square).flatten()
    Sub = (square[:,None] - square[None,:]).flatten() + d
    Sub = np.sort(Sub)
    ans = np.searchsorted(Sub,Add,'right') - np.searchsorted(Sub,Add,'left')
    print(ans.sum())
if __name__ =='__main__':
    main()