Task: Program Execution
Input (English): 12, 18, ['x', 'S', '2601', '2735', '4383', 'n', '3665', 'I', 'P', '639', '3103', '2377', 'v', '3693', 'f', '949', 'e', 'v', 'Q', '9511', '6845']
Output (English): ve949f3963v7732