Task: Program Execution
Input (English): 11, 15, ['7555', '71', 'f', '6581', '8541', '2853', '9623', '5459', 'i', '5973', '8259', 'R', '3839', '6569', 'I', '6489', 'M', '9613', 'L']
Output (English): I65693839R8259