#define _CRT_SECURE_NO_WARNINGS
#include"iostream"
#include"algorithm"
using namespace std;
signed main() {
	int n;
	scanf("%d", &n);
	for (int i = 0; i != n; i++) {
		int a, b; scanf("%d%d", &a,&b);
		int m = max(a, b);
		if (a == m&&b == m) {
			printf("%c\n", '=');
		}
		else if (m == a) {
			printf("%c\n", ('9' + 5));
		}
		else printf("%c\n", ('9' + 3));
	}
}