#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 getint() {
    string v;
    cin.getline(v.data(), 8, '\n');
    return stoi(v);
}
int getintspace() {
    string v;
    cin.getline(v.data(), 8, ' ');
    return stoi(v);
}
int main() {
    int n = getint();
    while (n--) {
        int a = getintspace();
        int b = getint();
        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();
}