#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
using namespace std;
int main(int argc, char *argv[]){
    unsigned car=' ';
    do{
        if(car==0)car=getch()+256;
		{
		if (car==80)
			cout<<"down arrow"<<endl;
		else if (car==75)
			cout<<"left arrow"<<endl;
		else if (car==77)
			cout<<"right arrow"<<endl;
		else if (car==72)
			cout<<"up arrow"<<endl;
		}
    }while((car=getch())!='\033');
    return 0;
}