import qualified Data.Text as T
import qualified Data.Text.IO as T
import qualified Data.Text.Read as T

main :: IO ()
main = do
  (n : x : _) <- map unsafeSignedDecimal . T.words <$> T.getLine :: IO [Int]
  ls <- map unsafeSignedDecimal . T.words <$> T.getLine :: IO [Int]
  let
    ds = scanl (+) 0 ls
  print . length . takeWhile (<= x) $ ds

unsafeSignedDecimal :: T.Text -> Int
unsafeSignedDecimal s = case T.signed T.decimal s of
  Right (n, _) -> n
