Task: Program Execution
Input (English): 19, 21, ['O', '4165', '6945', 'K', 'z', 'l', 'C', 'O', 't', '8799', '6109', '5007', 'S', 'V', '9345', 'n', '3051', '9717', '3175', 'i', '2235', '1693', 'x', '4825', '7037', '3795', 'n']
Output (English): 3175, i, 2235