Task: Program Execution
Input (English): 19, 20, ['y', 'f', 'i', 'h', '8761', '3495', 'i', 'E', '9197', 'w', '6939', 'O', '3531', '4847', '811', '6595', '1287', 'Q', 'R', '4413', 'F']
Output (English): 4413