Task: Program Execution
Input (English): 4, 8, ['h', 's', '1997', 'X', 'H', '4551', '7791', '6249', 'y', 'Y', 'e', '1415', '2321', 'i', '5773', '7291', 'd', '6855', 'G']
Output (English): X, H, 4551, 7791, 6249