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