Color Stream

//A quick and dirty program to print a randomly colored, randomly generated stream of numbers.
//Released as wtfpl and whatnot. http://www.wtfpl.net/about/

/*version 3.2: adding srand() broke it so goodbye srand()*/

#include <stdio.h> //I/O Junk
#include <stdlib.h> //used for rand()
#include <unistd.h> //used for usleep()

int main(){
        int speed, input;
        printf("Select the  speed:\n\t1 (Slow)\n\t2 (Medium)\n\t3 (Fast)\n");
        scanf("%d", &input);
        switch(input){
                case  1 :
                        speed = 10000; //speed should be in microseconds, blame usleep.
                        break;
                case  2 :
                        speed = 5000;
                        break;
                case  3 :
                        speed = 1000;
                        break;
                default:
                        printf("\nInvalid input. Reverting to default (Fast).\n");
                        speed = 1000;
                        break;
        }
        while(1){
                usleep(speed);
                fflush(stdout);;
                //jury rigged random color and number generator. Hey, it works.
        printf("\033[22;3%dm %d", rand() % 10, rand() % 10);
        }
return(0);
}