#include <stdio.h>

int main(){
	int A,B;
	scanf("%d%d",&A,&B);
	if(A == B){
		printf("%d",A - B);
	}else if(A > B){
		printf("-%d",A - B);
	}else if(A < B){
		printf("+%d",B - A);
	}
	
}