#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(void){
	int a=0;
	int b=0;
	int kai=0;
	char str[10], *astr, *bstr;

	fgets(str, sizeof(str), stdin);

	astr = strtok(str, " ");
	a = atoi(astr);

	bstr = strtok(NULL, " ");
	b = atoi(bstr);
	
	if( (a - b) > 0){
		printf("-%d\n", a - b);
	}
	else if( (a - b) < 0){
		printf("+%d\n", b - a);
	}
	else{
		printf("0");
	}
	return 0;
}