int main() {
    int N;
	__builtin_scanf("%d", &N);
	char c60 = (char)(60);
	char c61 = (char)(61);
	char c62 = (char)(62);
	while (N--) {
		int a, b;
		__builtin_scanf("%d %d", &a, &b);
		if (a / b == 0) __builtin_printf("%c\n", c60);
		else if (b / a == 0) __builtin_printf("%c\n", c62);
		else __builtin_printf("%c\n", c61);
	}
}