#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)

int a, b;
//-----------------------------------------------------------------
int main() {
	scanf("%d %d", &a, &b);

	if (a < b)
		printf("+%d\n", b - a);
	else if (b < a)
		printf("-%d\n", a - b);
	else
		printf("0\n");
}