#include<unistd.h>
#include<stdio.h>
#include<string.h>

int main(){
	char *prompt = "Enter a number:  ";
	write(1, prompt, strlen(prompt));
	char entry[16];
	ssize_t readlen = read(0, entry, 16);
	entry[readlen] = 0;
	printf("You entered %s\n", entry);
	return 0;

}