Task: Program Execution
Input (English): 9, ['169', 'z', '7303', '8915', 'q', '2361', '5791', 'E', '4399', 'x', '907', 'y', 'w', 'T', '6647', '9165', '8885', 'U', '4593', '7401', '8179']
Output (English): 169, x, 4593