#include "iostream"

constexpr char lt = 60;
constexpr char gt = 62;

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

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

        if (a == b) {
            std::putchar('=');
        } else if (std::min(a - b, 0) == 0) {
            std::putchar(gt);
        } else {
            std::putchar(lt);
        }
        std::putchar('\n');
    }
    return 0;
}