#include <stdio.h>
#include <math.h>

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