#include "bits/stdc++.h"
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using namespace std;


char lc = 0x003C;
char rc = 0x003E;

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

    while (n--) {
        int a, b;
        scanf("%d %d", &a, &b);

        if (isgreater(a, b)) {
            cout.put(rc);
            cout.put('\n');
        } else if (isless(a, b)) {
            cout.put(lc);
            cout.put('\n');
        } else {
            cout.put('=');
            cout.put('\n');
        }
    }

    cout.flush();
}