#include <stdio.h>

/* $begin rand */
unsigned next_seed = 1;

/* rand - return pseudorandom integer in the range 0..32767 */
unsigned rand(void)
{
    next_seed = next_seed*1103515245 + 12543;
    return (unsigned)(next_seed>>16) % 32768;
}

/* srand - set the initial seed for rand() */
void srand(unsigned new_seed)
{
    next_seed = new_seed;
} 
/* $end rand */

int main()
{
    srand(100);
    printf("%d\n", rand());
    printf("%d\n", rand());
    printf("%d\n", rand());
    return 0;
}