fun int main() = 
   let y = read(int) in
   let x = y * y in
   let z = 
       let x =
           let x = x + 3 in
           let x = x + y 
           in  x + 8
       in  y
   in
   let x = y + 2 in
   let w = x + 2 + z in
   let v = 
        let y = y + 3 
        in  x * y
   in  write(v)