class Problem0383:
    def solve(this):
        a,b = map(int, input().split())
        if a < b:
            print("+%d" % abs(a - b))
        elif a > b:
            print("-%d" % abs(a - b))
        else:
            print("0")
if __name__ == "__main__":
    problem = Problem0383()
    problem.solve()