#!/usr/local/bin/rune -x
#

import "sys";
import <stdio>;

int
main(int ac, string_p *av)
{
    string_p ptr;
    int chkerr = 0;

    for (;;) {
	while ((ptr = stdio.gets()) != NULL) {
	    stdio.stdout->format("%s\n", ptr);
	    chkerr = 0;
	}
	if (chkerr)
	    break;
	stdio.stdin->clearerr();
	chkerr = 1;
    }
}