Task: Program Execution
Input (English): 1, 8, ['R', 'Q', '7815', '7721', 'R', '9663', 'Q', '3373', 'i', '699', '2565', '3411', 'o', '887', 'x', 'H', '6391', 'e', '7235', 'e', 'h', '2047', 'T', '7253', '1397']
Output (English): R, i, 6391, 1397