Task: Program Execution
Input (English): 19, 21, ['3353', '2543', '7373', 'b', '3897', '83', '8149', 'p', '637', 'e', '8311', '6333', '7553', '779', '6839', '665', '7287', 'Z', 'V', 'q', '1']
Output (English): 1