Task: Program Execution
Input (English): 4, 18, ['4311', '8261', 'B', 'v', '4293', 'y', 'Z', 'Q', '3255', 'H', 'K', 'm', 'x', '7619', '789', '6197', '8757', '5751', '447']
Output (English): v4293yZQ3255HKmx7619789619787575751