Task: Program Execution
Input (English): 5, 8, ['2719', 'm', 'u', '2389', 'a', 'F', '9653', '7331', '3531', '7623', 'I', '5453', '3771', 'H', 'K', 'Z', 'o', '5963', 'f', '3547', 'k']
Output (English): 13373569Fa