main() {
    int N;
	__builtin_scanf("%d", &N);
	char c = char(60);
	while (N--) {
		int a, b;
		__builtin_scanf("%d %d", &a, &b);
		if (!(a / b)) __builtin_printf("%c\n", c);
		else if (!(b / a)) __builtin_printf("%c\n", c + 2);
		else __builtin_printf("%c\n", c + 1);
	}
}