Task: Program Execution
Input (English): 15, 19, ['7969', 'V', 'U', 'H', '5227', 'M', '8701', '6115', '3461', 'M', 'U', 'S', '7865', '1803', 's', '8597', '591', 'H', 'V', 'r', 'N']
Output (English): VH1957958s