#include <stdio.h>

#define MAXLIN 132
#define TABSP 8

int             tabs[MAXLIN];

main()
{
    int             c, delay, col;
    void            settab();

    settab(tabs);

    col = delay = 0;
    while (EOF != (c = getchar())) {
	if (MAXLIN <= col) {	/* copy remaining characters on a line */
	    do {
		putchar(c);
	    } while ('\n' != c && EOF != (c = getchar()));
	    col = 0;
	}
	else {
	    switch (c) {
	    case '\t':
		while (!tabs[col])
		    col++;
	    case ' ':		/* fallthrough */
		if (!tabs[col]) {
		    col += 1;
		    continue;	/* do not change delay */
		}
		putchar((delay == col) ? ' ' : '\t');
		col += 1;
		break;
	    default:
		while (delay < col) {
		    putchar(' ');
		    delay += 1;
		}
		putchar(c);
		col = ('\n' == c ? 0 : col + 1);
		break;
	    }			/* switch */
	}			/* if (MAXLIN <= col) */
	delay = col;
    }
    exit(0);
}

void
settab(tabp)
    short          *tabp;
{
    int             i;

    for (i = 1; i <= MAXLIN; i++) {
	*tabp++ = (0 == (i % TABSP));
    }
}