#include <stdio.h>
#include <math.h>

void main() {
	unsigned long compid, acode;

	printf("All Digital Library v1.0 Access Code generator\n");
	printf("Enter the Computer ID Number\n> ");
	if (scanf("%lu", &compid) == 0) {
		printf("Invalid number\n");
		exit(1);
	}
	acode = ((long)sqrt(compid)) + 0x268b;

	printf("\nAccess Code : %u\n", acode);
}