#include <sys/types.h> 
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>

void main(int argc, char *argv[])
{
	int r;
	float m; 
	unsigned int seed;
	if (argc < 2) {
		fprintf(stderr, "Usage: %s number\n", argv[0]);
		exit(1);
	}

	m = atoi(argv[1]);
	seed=(unsigned int) (time(0) + getpid()) ;
	srand( seed );
	r = (int) ( m*rand()/(RAND_MAX+1.0) );
	printf("%d\n",r);

}