#include "iostream"
using namespace std;

int main() {
  int n;
  scanf("%d", &n);
  while (n--) {
    int a, b;
    scanf("%d %d", &a, &b);
    if (a == b)
      printf("=\n");
    else if (max(a, b) == a)
      printf("%c\n", 62);
    else
      printf("%c\n", 60);
  }
  return 0;
}