#!/usr/bin/python3
import sys

line = sys.stdin.readline()
headings = [" " for _ in line]
col = 0
word = False

for (i, c) in enumerate(line):
    if not c.isspace():
        if word is False:
            headings[i] = str(col)
            col += 1
            word = True
    else:
        word = False

print("".join(headings))
print(line)