Task: Program Execution
Input (English): 2, 6, ['6855', 'b', '7991', 'w', 'W', 'L', '2625', '19', 'L', 'r', '8233', 'X', '5475', '5973', '6795', '6197', 'H', 'u', 'P', 'f', '8435']
Output (English): LWw7991b