Task: Program Execution
Input (English): 4, 13, ['7371', '9521', '9621', '2255', 'l', '4927', '7915', 'V', 'y', '8545', '6201', '7313', 'B', 'e', 'S', 'P', '5959', 'B', 'H', 'v', 'd']
Output (English): B731362018545yV79154927l2255