#Jonathan Hudson
#Student Number 12347890
#Date: 2021-05-03
# Compute n-factorial using a for loop

# Read an input value from the user
n = int(input("Enter a non-negative integer: "))

# Compute n-factorial
result = 1
for i in range(1, n+1):
  result = result * i

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