package main

//This solution is the placeholder of the student solution
// for an exercise in the exam asking for a Function
//Remember the disclaimer!!!!
//1) here the package is main
//2) It does need an empty func main(){}

func Nauuo(plus, minus, rand int) string {
	if rand == 0 {
		if plus > minus {
			return "+"
		}
		if plus < minus {
			return "-"
		}
		if plus == minus {
			return "0"
		}
	}
	if plus > minus+rand {
		return "+"
	}
	if plus+rand < minus {
		return "-"
	}
	if (plus+rand >= minus) && (plus-rand <= minus) {
		return "?"
	}
	if (minus+rand >= plus) && (minus-rand <= plus) {
		return "?"
	}
	return "?"
}

func main() {
}