Task: Program Execution
Input (English): 1, 2, ['T', 'k', 'F', '509', 'i', '1291', '6839', 'f', '2365', 'N', '3107', 'c', '6425', '7511', 'U', 'j', '129', 'Q', '189', '9235', 'Y', '5325', '6615', '8955']
Output (English): Tk