Task: Program Execution
Input (English): 8, 15, ['k', '2301', 'q', 'E', 'u', 'J', 'W', 'p', 'd', '8749', 'f', '9149', 'd', 'f', '3499', 'z', '77', '5409', '8685']
Output (English): pd8749f9149df3499