import java.util.*

fun main(args:Array<String>){
    val sc = Scanner(System.`in`)
    val a = sc.nextInt()
    val b = sc.nextInt()
    val result = b - a

    when {
        result > 0 ->{
            println("+" + result)
        }
        else ->{
            println(result)
        }
    }
}