n=int(input("enter the number"))
if n==0: #By using if else ladder
print("Number is zero")
else:
if n%2==0:
print("the number is even")
else:
print("the number is odd")
# By Using only If
n=int(input("enter the number"))
if n==0:
print("Number is zero")
if n%2==0 and n!=0:
print("the number is even")
if n%2!=0:
print("the number is odd")