Task: Program Execution
Input (English): 2, 19, ['1875', '1645', 'f', '4359', '5897', 'u', '3181', '9335', 'O', '5151', '2197', 'z', '6605', '5271', '2397', 'X', '3139', 't', 'E', 'v', 'z', '677', 'M', 'J', 'O']
Output (English): 1645f43595897u31819335O51512197z660552712397X3139tE