#include<stdio.h>
int main(){
int num;
while(scanf("%d",&num)!=EOF){
if (num%2==0){
printf("Even\n");
}else{
printf("Odd\n");
}
}
return 0;
}
#include<stdio.h>
int main(){
int num;
while(scanf("%d",&num)!=EOF){
if (num%2==0){
printf("Even\n");
}else{
printf("Odd\n");
}
}
return 0;
}