#include <stdio.h>

int main(void)
{
	int a;
	int b;
	scanf("%d%d",&a,&b);
	if( a<b){
		a=b-a;
		printf("+%d",a);
		
		
		
	}else if(a>b){
		b=a-b;
		printf("-%d",b);
		
		
		
	}else{
		
		printf("0");
	}
	return 0;
}