Task: Program Execution
Input (English): 1, 8, ['2117', 'v', 'e', 'b', 'a', 'E', 'C', '1755', '8659', '2037', '131', '4267', 'C', 'k', 'V', '1057', '8339', 'A', '6715', '8471']
Output (English): 2117, 8659, 8339