Task: Program Execution
Input (English): 10, 19, ['9587', 'q', 'f', 'q', '6043', '8311', 'm', '7431', '3805', 'w', '7717', '6661', 's', '5615', 'e', 'U', 'd', '9531', 'k', 'v', '197']
Output (English): k9531dUe5615s66617717w