#include <stdio.h>

int main(int c,char **v){
	int a=0;
	scanf("%u",&a);
	printf("You have entered :%d\n",a);
	switch(a){
		case 0:
			printf("zero\n");break;
		case 1:
			printf("one\n");
		case 2:
			printf("two\n");
		//...
		default:
			printf("%d is unknown\n",a);
	}
}