#include "bits/stdc++.h"

using namespace std;

int main() {

	int n;
	scanf("%d", &n);

	while (n--) {
		int a, b;
		scanf("%d %d", &a, &b);
		if (min(a, b) == max(a, b)) {
			printf("%c\n", 61);
		} else if (min(a, b) == a && max(a, b) == b) {
			printf("%c\n", 60);
		} else {
			printf("%c\n", 62);
		}
	}

	return 0;
}