Task: Program Execution
Input (English): 1, 12, ['Y', 'v', '5501', '6737', '6975', 'r', '6839', '4613', '1681', 'O', '5439', 'j', 'C', '9823', '7821', 'x', 'T']
Output (English): Yv550167376975r683946131681O5439j