Task: Program Execution
Input (English): 5, 15, ['q', 't', '1437', 'O', '7279', '3343', '7489', 'A', 'F', 'j', 'j', '8953', '7717', 'o', 'M', 'W', 'K', 's', 'P', '5647', '4655']
Output (English): 727933437489AFjj89537717oM