Task: Program Execution
Input (English): 5, 12, ['7819', '8137', '1653', '685', 'S', '3543', '559', 'C', '3465', 'Y', 'v', '7915', '6665', '9203', 'x', '2683', 'h']
Output (English): 7915vY3465C5593543S