Task: Program Execution
Input (English): 15, 24, ['987', '1799', 'q', '4969', '7401', 'M', '1637', '423', 'D', '2883', 'O', '5667', 'z', 'k', '6791', 'O', 'o', '4693', '6961', 'E', 'k', 'm', 'g', 'O', '7131', 'I', '7671']
Output (English): 18445