#include <stdlib.h>

#define RPMBUFSIZ 262144

main()
{
        char *buff = malloc(RPMBUFSIZ),*eb,*p;
        for (p = buff, eb = buff + read(0,buff,RPMBUFSIZ); p < eb; p++)
                if (*p == '\037' && p[1] == '\213')
                        printf("%d\n",p - buff),
                        exit(0);
        exit(1);
}