# Compute n-factorial for a value of n entered by the user using a for loop

# Read the value of n from the user
n = int(input("Enter an integer (0 or greater): "))

# Initialize product
product = 1

# For each value from n down to and including 1
for factor in range(n, 0, -1):
  # Include the current factor in the product
  product = product * factor

# Display the result
print(n, "factorial is equal to", product)