Task: Program Execution
Input (English): 4, 10, ['m', 'g', 'Y', 'B', '7603', 'c', 'A', '7061', 'L', '8837', 'R', 'A', '1061', '7475', 'Y', '457', '4189', 'P', 't', 'B', '5907', '797', '9263', '963', '673']
Output (English): B7603cA7061L8837