Task: Program Execution
Input (English): 13, 14, ['q', '3867', 'd', '7381', '1177', 'o', 'p', '2555', '7105', 'a', 's', '4195', '7061', 'Q', '2889', 'v', 'l', '8317', '3237', 'L', '9831']
Output (English): Q1607