Task: Program Execution
Input (English): 2, 21, ['8027', '9139', '8769', '8875', 'V', '3061', 'v', '8895', '6267', '1193', '6453', '1473', 'J', 'l', 'F', '1581', '139', '8605', 'r', 'b', '9457', 'N', 'z', 'r', '9417', '7127']
Output (English): 7549br50689311851FlJ37413546391176265988v1603V578896789319