Task: Program Execution
Input (English): 5, 15, ['7413', '6175', '5121', 'H', 'm', '9633', '5963', 'g', 'N', 'j', '3293', 'l', 'l', '4751', '1281', 'b', 'b', '1591']
Output (English): 18211574ll3923jNg36953369m