Task: Program Execution
Input (English): 13, 18, ['4503', 'O', '2659', '5679', 'Y', 'D', 'G', 'p', 'd', 'X', '7841', 'e', '1269', 'O', '9175', '1557', '9431', '9849', 'v', '6269', 'T']
Output (English): 9849943115579175O1269