Task: Program Execution
Input (English): 3, 19, ['9159', '3153', 'U', '51', '2349', '3777', '5609', '8473', '1159', 'k', '403', 'z', 'h', 'm', '4577', 'n', 'v', 'b', '6831', 'd', '4803', '2517', '9547', 'F']
Output (English): 6831bvn4577mhz403k1159847356093777234951U