#!/usr/bin/env python
# coding: utf-8

# In[7]:


import re

def replace_words(sentence):
    # Define a dictionary mapping a single word to a list of words or phrases
    replacement_map = {
    # Multiples of ten
    'twenty': [],
    'thirty': [],
    'forty': [],
    'fifty': [],
    'sixty': [],
    'seventy': [],
    'eighty': [],
    'ninety': [],
    
    # Numbers from 11 to 19
    'eleven': [],
    'twelve': [],
    'thirteen': [],
    'fourteen': [],
    'fifteen': [],
    'sixteen': [],
    'seventeen': [],
    'eighteen': [],
    'nineteen': [],

    # Numbers from 21 to 29
    'twenty one': [],
    'twenty two': [],
    'twenty three': [],
    'twenty four': [],
    'twenty five': [],
    'twenty six': [],
    'twenty seven': [],
    'twenty eight': [],
    'twenty nine': [],

    # Numbers from 31 to 39
    'thirty one': [],
    'thirty two': [],
    'thirty three': [],
    'thirty four': [],
    'thirty five': [],
    'thirty six': [],
    'thirty seven': [],
    'thirty eight': [],
    'thirty nine': [],

    # Numbers from 41 to 49
    'forty one': [],
    'forty two': [],
    'forty three': [],
    'forty four': [],
    'forty five': [],
    'forty six': [],
    'forty seven': [],
    'forty eight': [],
    'forty nine': [],

    # Numbers from 51 to 59
    'fifty one': [],
    'fifty two': [],
    'fifty three': [],
    'fifty four': [],
    'fifty five': [],
    'fifty six': [],
    'fifty seven': [],
    'fifty eight': [],
    'fifty nine': [],

    # Numbers from 61 to 69
    'sixty one': [],
    'sixty two': [],
    'sixty three': [],
    'sixty four': [],
    'sixty five': [],
    'sixty six': [],
    'sixty seven': [],
    'sixty eight': [],
    'sixty nine': [],

    # Numbers from 71 to 79
    'seventy one': [],
    'seventy two': [],
    'seventy three': [],
    'seventy four': [],
    'seventy five': [],
    'seventy six': [],
    'seventy seven': [],
    'seventy eight': [],
    'seventy nine': [],

    # Numbers from 81 to 89
    'eighty one': [],
    'eighty two': [],
    'eighty three': [],
    'eighty four': [],
    'eighty five': [],
    'eighty six': [],
    'eighty seven': [],
    'eighty eight': [],
    'eighty nine': [],

    # Numbers from 91 to 99
    'ninety one': [],
    'ninety two': [],
    'ninety three': [],
    'ninety four': [],
    'ninety five': [],
    'ninety six': [],
    'ninety seven': [],
    'ninety eight': [],
    'ninety nine': [],
    # Numbers from one to ten
    'seven': [],
    'zero': [],
    'one': [],
    'two': [],
    'three': [],
    'four': [],
    'five': [],
    'six': [],
    'eight': [],
    'nine': [],
    'ten': [],
    # Hundred
    'hundred': [],
    # Thousand
    'thousand' : [],
    # Lakhs
    'lakh' : ['lac','lach','laq','lak'],
    }

    words = sentence.split()  # Split the sentence by spaces

    # Replace words using the mapping
    for i, word in enumerate(words):
        for replacement, patterns in replacement_map.items():
            if word in patterns:
                words[i] = replacement  # Replace the word if it's fully matched

    # Join the processed words back into a sentence
    return ' '.join(words)


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