Task: Program Execution
Input (English): 6, 8, ['U', 'L', '261', '3957', '7933', 'K', 'X', '2557', 'I', 'e', '7791', 'f', '2737', '4865', '4615', 'F', 'r', 'l', '2381', 'd', '3971', '3035', '2353', '6319', '2271', '297', '969']
Output (English): 2557