Task: Program Execution
Input (English): 3, 20, ['j', '271', '7339', '3573', '3393', '1279', 'o', 'Z', 'w', 'h', '8285', 'A', 'A', '8693', 'b', 'X', '5861', '9039', 'l', '813', 'Z', 't', '1363', '323', 'h', 'V']
Output (English): 7339357333931279oZwh8285AA8693bX58619039l813