Task: Program Execution
Input (English): 2, 26, ['W', '9643', 'l', 't', 'v', 'Y', '3325', '4823', 'B', 'e', '4407', '505', 'T', 'B', '1187', '5313', '5155', '2517', 'j', 'W', 'F', '9483', 'o', '5285', '437', '7971']
Output (English): 9643ltvY33254823Be4407505TB1187531351552517jWF9483o52854377971