Task: Program Execution
Input (English): 7, 21, ['I', 'A', 'S', 'Z', '7961', 'W', 't', 'R', '3267', 'k', '7431', '5029', '717', '2923', 'Z', '845', 'R', 'L', 'g', '9365', 'o']
Output (English): tR3267k743150297172923Z845RLg9365o