#include "bits/stdc++.h"
using namespace std;

int sgn(int x) { if (x == 0) return 0; return x / abs(x); }

int main() {
  int n; scanf("%d", &n);
  while (n--) {
    int a, b; scanf("%d %d", &a, &b);
    if (sgn(a - b) == 0)
      printf("%c\n", '=');
    else if (sgn(a - b) == -1)
      printf("%c\n", (char)60);
    else
      printf("%c\n", (char)62);
  }
}