text: /*
      TASK  :
      AUTHOR: Hydrolyzed~
      GITHUB: MasterIceZ
      LANG  : C
      SCHOOL: RYW
  */
  
  #include<stdio.h>
  
  int main(){
  	int n;
  	scanf("%d", &n);
  	printf("%s",n%2==1?"Odd":"Even");
  	printf("\n");
  	return 0;
  }
  