#include "stdio.h"
#include "algorithm"
using namespace std;
int main() {


	int N;
	scanf("%d", &N);
	for (int i = 0; i != N; i++) {
		int a, b;
		scanf("%d %d", &a, &b);
		if (a == b) {
			printf("%c\n", '=');
			
			continue;
		}
		int c = a - b;
		if (abs(c) / c == 1) {
			printf("%c\n", 62);
		}
		else {
			printf("%c\n", 60);
		}
	}

}