def is_equilateral(side1, side2, side3):
    """Determines if a triangle is equilateral based on its side lengths."""

    return side1 == side2 == side3

# Get the lengths of the triangle's sides from the user
side1 = float(input("Enter the length of side 1: "))
side2 = float(input("Enter the length of side 2: "))
side3 = float(input("Enter the length of side 3: "))

# Check if the triangle is equilateral
if is_equilateral(side1, side2, side3):
    print("The triangle is equilateral.")
else:
    print("The triangle is not equilateral.")