#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main(void) {
	int a, b;

	scanf("%d%d", &a, &b);
	if (a == b)
		puts("0");
	else if (a < b)
		printf("+%d\n", b - a);
	else if (a > b)
		printf("%d\n", b - a);

	return 0;
}