# include <stdio.h>
	 int main(){
  	int a, b;
  	scanf("%d %d", &a, &b);
  	puts(a*b&1 ? "Odd" : "Even");
  	return 0;
		}
### Prompt

Please formulate a cpp solution to the following problem:

AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.

Constraints

* 1 ≤ a,b ≤ 10000
* a and b are integers.

Input

Input is given from Standard Input in the following format:


a b


Output

If the product is odd, print `Odd`; if it is even, print `Even`.

Examples

Input

3 4


Output

Even


Input

1 21


Output

Odd

### Response

```cpp
# include <stdio.h>
	 int main(){
  	int a, b;
  	scanf("%d %d", &a, &b);
  	puts(a*b&1 ? "Odd" : "Even");
  	return 0;
		}
```