Find the sum of all of the integers in the set -18, 27, 54, 254, 754, 1036, 3254 that are congruent to 6 modulo 8.
54 mod 8 = 6
254 mod 8 = 6
3254 mod 8 = 6
Sum[54 + 254 +3254] =3,562
+368 
