Well, that's easy:
0 < b < p
a = b * 12447032699845648078645791161909514142990644957498005805208944683777961822095 (mod p)
So, an obvious solution is a=12447032699845648078645791161909514142990644957498005805208944683777961822095, b=1
a = 76470300715912249562689990107401687364194232406198996658976353330269918489458
b = 64658408237276871767689061520961436408509493287485285377611016482361694763299