#include<cstdio>
int a,b;
int main()
{
	scanf("%d %d",&a,&b);
	if(a*b%2!=0) printf("Odd\n");
	else printf("Even\n");
}
### Prompt

Construct a CPP code solution to the problem outlined:

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<cstdio>
int a,b;
int main()
{
	scanf("%d %d",&a,&b);
	if(a*b%2!=0) printf("Odd\n");
	else printf("Even\n");
}
```