Task: Program Execution
Input (English): 3, 15, ['661', '5177', '171', '6139', 'v', '7237', 's', '4815', '2747', 'P', 'P', '3969', '9261', 'g', 'H', 'C', '4915', 'x']
Output (English): Hg92613969PP27474815s7237v6139171