Zero is an even number.

Any number that ends with a zero is an even number.

When zero is added to a number, the sum is the original number.

1+0=1	2+0=2	3+0=3	4+0=4	5+0=5
6+0=6	7+0=7	8+0=8	9+0=9	10+0=10

When zero is subtracted from a number,  The difference is the original number

1- 0=1