Task: Program Execution
Input (English): 1, 9, ['b', '1961', 'I', 'a', '2371', 'c', 'v', '4601', '7459', 'i', '9691', 'e', '5137', 'z', '3049', 'i', 'e', '5067', 'g', '9731', 'd', '8559', '4283']
Output (English): b, i, g