<USER> ### 4. Race to 2025! ``` G N A J + N A ----------- 2 0 2 5 ``` In this coded addition, different letters represent different digits, and the same digit is always represented by the same letter. Additionally, none of the multi-digit numbers start with zero. **What is the value of NA?** <ASSISTANT> The value of **NA** is **93**. <WRITTEN AND EXECUTED CODE> # Brute-force approach to find the solution from itertools import permutations # Possible digits digits = range(10) # Trying all permutations for the letters G, N, A, J for perm in permutations(digits, 5): # G, N, A, J, and the extra 2 for carry G, N, A, J, extra = perm # Constraints: None of the multi-digit numbers start with zero if G == 0 or N == 0: continue # Form the numbers GNAJ = G * 1000 + N * 100 + A * 10 + J NA = N * 10 + A total = GNAJ + NA # Check if the sum is 2025 if total == 2025: result = NA break result