Task: Program Execution
Input (English): 1, 9, ['Y', '5819', 'Y', '4181', 'y', '9911', '4361', 'r', '4965', '5965', 'J', '473', '2611', '5069', 'N', '6989', 'g', '2569', 'G', '8175', '9285']
Output (English): Y, 5965, G