Queries

Edward Elric has learnt new Alchemy technique, if he uses this technique on 1x1 block with power f[i] then height on this block increases by f[i],also his power in ith move depends on powers of his previous three moves i.e. f[i] = x*f[i-1] + y*f[i-2] + z*f[i-3] here x,y,z are some constant and if he uses technique for first, second, third time then his power will be f1,f2,f3. To test Edward's pow