#include "iostream"
#include "stdio.h"
using namespace std;

int compare(int a, int b){
    if(a == b){
        return 0;
    }
    for(int i = 0; i != 30; i++){
        if(a == b){
            return -1;
        }
        a++;
    }
    return 1;
}

int main(){
    int N;
    scanf("%d", &N);
    for(int i = 0; i != N; i++){
        int a, b;
        scanf("%d %d\n", &a, &b);
        if(compare(a / 10000, b / 10000) == 1){
            printf("%c\n", char(62));
        }else if(compare(a / 10000, b / 10000) == -1){
            printf("%c\n", char(60));
        }else if(compare(a % 10000, b % 10000) == 1){
            printf("%c\n", char(62));
        }else if(compare(a % 10000, b % 10000) == -1){
            printf("%c\n", char(60));
        }else{
            printf("%c\n", char(61));
        }
    }
}