Task: Program Execution
Input (English): 3, 20, ['9719', '4121', '5919', 'Z', '9607', 'i', 'Q', '1195', '4601', '4401', 'F', '5117', 'X', 'f', 'o', '1803', '4321', '4771', 'z', 'E', '8513', 'x', 'V', 'G', 'h']
Output (English): Ez177412343081ofX7115F104410645911Qi7069Z9195