Task: Program Execution
Input (English): 18, 21, ['S', '8063', 'W', '6979', 'k', 'M', 'V', '737', 'V', 'W', '7601', 'A', '6483', 'z', '8231', 'w', 'D', '525', 'I', '2525', 'n']
Output (English): 3050