Task: Program Execution
Input (English): 1, 13, ['l', '8917', '3729', 'm', '1925', '6557', 'p', 'U', 'd', 'R', '6095', '8129', '1417', '6421', 'n', 'f', '285', '9831', '1549', 'R', 's']
Output (English): 714192185906RdUp75565291m92737198l