#!/bin/env python

import sys

if len(sys.argv) < 2:
    print "Usage: %s INPUT" % (sys.argv[0])
    sys.exit(1)

data = open(sys.argv[1]).read()

count = 0

tabsize = 8

for ch in data:
    if ch == '\n':
        sys.stdout.write(ch)
        count = 0
    elif ch == '\t':
        newcount = count + tabsize
        newcount -= newcount % tabsize
        for i in range(newcount - count):
            sys.stdout.write(' ')
        count = newcount
    else:
        sys.stdout.write(ch)
        count += 1