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

main (int argc, char *argv[])
{
        FILE *fp;
        long buf;
        int i;

        fp = fopen("/dev/urandom", "r");
        fread(&buf, sizeof(long), 1, fp);
        buf=abs(buf);
        if(argc>1)
                printf("%s\n",argv[(buf%(argc-1))+1]);
        else
                printf("%d\n",buf);
        fclose(fp);
}