Task: Program Execution
Input (English): 2, 15, ['4265', '5433', 'd', 'O', 'u', '5255', 'Y', 'U', '4857', 'j', '2113', 'e', 'b', '7135', 'Y', '2673']
Output (English): 5433dOu5255YU4857j2113eb7135Y