Task: Program Execution
Input (English): 3, 15, ['F', 'D', 'O', '1267', 'S', '501', 't', '7039', '497', 'O', 'q', 'X', '1913', 'd', '4493', 'r', '9589', 'j', '3407']
Output (English): O1267S501t7039497OqX1913d4493