Task: Program Execution
Input (English): 3, 11, ['r', 'T', '143', '8443', '3973', '6617', 'M', '3049', '6815', '4231', 's', '9893', 'A', 'z', 'u', 't', 'X', '2463', 'I', '8805', 'u']
Output (English): 143844339736617M304968154231s