#
# Determine how many roots there are for an equation of the form 
# ax^2 + bx + c = 0.
#

# Determine the number of roots for a quadratic equation.
def numRoots(a, b, c):
  # Compute the discriminant
  disc = b*b - 4*a*c

  # Determine the number of roots from the discriminant.
  if disc < 0:
    roots = 0
  elif disc == 0:
    roots = 1
  else:
    roots = 2

  # Return the number of roots.
  return roots

# Read the values of a, b and c from the user.
a = float(input("Enter the value for a: "))
b = float(input("Enter the value for b: "))
c = float(input("Enter the value for c: "))

# Identify the number of roots.
roots = numRoots(a, b, c)

# Display the number of roots.
print("The number of real roots for that equation is", roots)