Task: Program Execution
Input (English): 21, 22, ['1221', '767', '5837', 'o', '3075', 'J', '4323', 'v', 'b', 't', 'P', '5983', '8297', '3507', '1525', 'u', '6229', 'p', 'f', 'I', 'B', '6053', '4189', 'w', '8613']
Output (English): B, 6053