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

# In[ ]:


# 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)