Math Defense

Each zombies carry a number

To fight zombie you have 2 weapon.

First is number and second is math operator.

Use it wisely to kill the zombies that comes.
Zombie will die if its HP reached 0 and there is no number left.

You can add or substract number to zombie HP to make it 0

If zombie HP is negatif it will be multiplied by -1
If zombie HP greater than 10 then it will be reduced by 10
Good Luck, Have Fun!