Task: Program Execution
Input (English): 16, 16, ['5371', '4839', '7119', '7447', 'V', 'V', 'g', '6739', '7381', 'F', 'x', '6817', '8413', '2793', 'X', 'O', 'E', '4251', 'c', '683', 'L']
Output (English): O