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

# In[2]:


# # Function to process "double" followed by a number
# def process_doubles(sentence):
#     tokens = sentence.split()
#     result = []
#     i = 0
#     while i < len(tokens):
#         if tokens[i] == "डबल":
#             if i + 1 < len(tokens):
#                 result.append(tokens[i + 1])
#                 result.append(tokens[i + 1])
#                 i += 2
#             else:
#                 result.append(tokens[i])
#                 i += 1
#         else:
#             result.append(tokens[i])
#             i += 1
#     return ' '.join(result)


# In[ ]:


import re

def process_doubles(sentence):
    # Use regex to split 'डबल' followed by numbers/words without space (e.g., "डबलवन" -> "डबल वन")
    sentence = re.sub(r'(डबल)(\S+)', r'\1 \2', sentence)
    
    tokens = sentence.split()
    result = []
    i = 0
    
    while i < len(tokens):
        if tokens[i] == "डबल":
            if i + 1 < len(tokens):
                result.append(tokens[i + 1])  # Append the next word/number
                result.append(tokens[i + 1])  # Append the next word/number again to duplicate
                i += 2  # Skip over the next word since it's already processed
            else:
                result.append(tokens[i])
                i += 1
        else:
            result.append(tokens[i])
            i += 1

    return ' '.join(result)