Task: Program Execution
Input (English): 15, 26, ['4409', '3509', 'X', '5247', 'Y', '8293', 'U', 'r', 'm', 'W', 'V', '1957', '9837', '995', '691', '3855', '2711', 't', 's', 'e', 'A', 'V', 'J', '9425', 'n', 'X', 'j', '6901', '2617']
Output (English): 69138552711tseAVJ9425nX