100000a +10000b +1000c +100d +10e+2 = 600000+30000a+3000b +300c+30d + 3e
70000a + 7000b + 700c + 70d + 7e = 599998
10000a + 1000b + 100c + 10d + e = 85714
abcde = 85714 ⇒ a = 8; b =5; c = 7; d = 1; e = 4
(857142 + 285714)/2 + 412346 = 571428 +412346 = 983774