#include <stdio.h>

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