Task: Program Execution
Input (English): 3, 20, ['c', '3689', '1105', 'y', '8131', '5979', '2433', 'e', '2363', 'S', 'm', '1129', '4981', 'C', 'N', 'l', 'b', '449', 'U', '7329', '9377', 'a', 'k']
Output (English): 7329U449blNC49811129mS2363e243359798131y1105