#include <stdio.h>

int main(){
  int cmd;
  int cmd_executed=0;

  printf("Insert a command: ");
  scanf("%d", &cmd);

  if(cmd==2){
    printf("Down\n");
    cmd_executed=1;
  }
  if(cmd==8){
    printf("Up\n");
    cmd_executed=1;
  }
  if(cmd==4){
    printf("Left\n");
    cmd_executed=1;
  }
  if(cmd==6){
    printf("Right\n");
    cmd_executed=1;
  }
  if(!cmd_executed){
    printf("ERROR: incorrect command!\n");
  }

  return 0;
}