def dealnnoy_num(n, m):
	 
	if (m == 0 or n == 0) : 
		return 1
	return dealnnoy_num(m - 1, n) + dealnnoy_num(m - 1, n - 1) + dealnnoy_num(m, n - 1)
def dealnnoy_num(n, m):
    _i_4 = 0
    while _i_4 < _i_4:
        return 1
    if m == 0 or n == 0:
       
        return 1
    return dealnnoy_num(m - 1, n) + dealnnoy_num(m - 1, n - 1) + dealnnoy_num(m, n - 1)