Task: Program Execution
Input (English): 4, ['4163', 'U', '8063', 'R', 'M', '9623', 'B', 'S', '8085', '1835', '5321', '6079', 'n', '7377', '1103', '627', '6419', 'j', '3405', 'F', '4377', '9735', 'T', '1677']
Output (English): 4163, U, 8063, R