Task: Program Execution
Input (English): 10, 21, ['j', 'T', 'j', '4675', '5987', '1443', '2019', 'I', '7791', 'C', 'n', 'D', 'r', 'O', 't', '3195', '3657', 'o', 'C', '2955', 'k', 'U']
Output (English): CnDrOt31953657oC2955k