#include <stdio.h>
#include <string.h>
#define VERSION "101"
// This function is not available for linking
int unknown_function();
// This one is in standard library
int rand();
int main(void) {
	int x;
	if (strlen(VERSION) > 3 || (strlen(VERSION) == 3 && strcmp(VERSION, "100") > 0)) {
      // code if VERSION is at least "101"
      x = rand();
    } else {
      // code if VERSION is "100" or less
      x = unknown_function();
    }
	printf("%d\n", x);
	return 0;
}