/* package codechef; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int t = Integer.valueOf(br.readLine());
while (t-- > 0)
{
String[] values = br.readLine().split(" ");
long L = Integer.valueOf(values[0]);
long R = Integer.valueOf(values[1]);
// counting odd numbers
long count = (R - L) / 2;
if ((R % 2 != 0) || (L % 2 != 0))
count = count + 1;
System.out.println((count % 2 == 0) ? "Even" : "Odd");
}
}
}
Status: Runtime Error (NZEC)