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import Data.List.Split
import Data.List
toMapFn :: [[Int]] -> Int -> Int
toMapFn map seed
| Just [d,s, r] <- find (\[drs, srs, r] -> (srs <= seed) && (seed <= srs + r)) map = d + (seed - s)
| otherwise = seed
main :: IO ()
main = do
lines <- lines <$> getContents
let sections = splitOn [""] lines
let seeds = map read $ tail $ splitOn [' '] (sections!!0!!0) :: [Int]
let maps = map (\(_:xs) -> (map (\l -> map (\i -> (read i) :: Int) (splitOn [' '] l)) xs)) (tail sections)
let myMapFns = map (toMapFn) maps
let myFn = foldr (.) id (reverse myMapFns)
print (minimum (map myFn seeds))
-- mapM_ putStrLn lines
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