#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define MAX 1000

int main(void)
{
  int x;

  srand((unsigned int)time(NULL));
  x = rand() * rand();
  if ( x < 0 )
  {
    x *= -1;
  }
  x = (x % MAX) + 1;

  printf("%d\n", x);

  return 0;
}