/*
 * detab: eat tabs
 */
#include <stdio.h>

main()
{
    register xp, c;

    xp = 0;
    while ((c=getchar()) != EOF) {
	if (c == '\n')
	    xp = 0;
	else if (c == '\t') {
	    do {
		putchar(' ');
	    } while (++xp & 7);
	    continue;
	}
	else
	    xp++;
	putchar(c);
    }
} /* detab */