Task: Program Execution
Input (English): 2, 18, ['K', 's', '8601', 'P', 'N', '5729', 'R', 'B', 't', 't', '311', 'C', '1377', 'm', 'M', '6859', 'A', '3499', 'e', '3387', 'I', 'J', '7043', 'U', '4741', '6405', 's', '1067']
Output (English): s8601PN5729RBtt311C1377mM6859A3499