#include <bits/stdc++.h>
using namespace std;

int main()
{
	int a, b;
	cin >> a >> b;

	int d = b - a;
	string ans = "0";
	if( d < 0 ) {
		char c[16];
		sprintf( c, "-%d", -d );
		ans = c;
	}
	else if( d > 0 ) {
		char c[16];
		sprintf( c, "+%d", d );
		ans = c;
	}

	cout << ans << endl;
}