f n k xs = ws where
ws
= zipWith3 (\x y z
-> x
+ y
+ z
) xs ys zs
main = do
ZiBuIGsgeHMgPSB3cyB3aGVyZQogIHdzID0gemlwV2l0aDMgKFx4IHkgeiAtPiB4ICsgeSArIHopIHhzIHlzIHpzCiAgeXMgPSBsYXN0IHhzIDogaW5pdCB4cwogIHpzID0gbGFzdCB5cyA6IGluaXQgeXMKCgptYWluID0gZG8KICBbbiwga10gPC0gZ2V0TGluZSA+Pj0gKHJldHVybiAuIG1hcCByZWFkIC4gd29yZHMpIDo6IElPIFtJbnRdCiAgeHMgICAgIDwtIGdldExpbmUgPj49IChyZXR1cm4gLiBtYXAgcmVhZCAuIHdvcmRzKSA6OiBJTyBbSW50XQogIHByaW50ICQgZiBuIGsgeHMK