Task: Program Execution
Input (English): 1, ['S', 'f', 'l', '4241', 'A', 'w', '8155', 'c', '927', '1747', '1093', '5583', 'n', '2807', '6157', '5543', '9385', 'n', 'Q', '371', 'C', '8967', 'P', '6319']
Output (English): S