path: root/problem684.ijs

r =: 1000000007
S =: {{ _6+y-~(10 r&|@^<.y%9)*+/6,2+i.9|y }}"0
fib =: (-&1 +&$: -&2) ^: (1&<) "0 M.
problem684 =: r|+/S fib x:2+i.89