#include <stdio.h>

//変数デバッグ
#define IDEB(variable) printf("%s = %d\n",(#variable),(variable)) //intデバッグ用
#define FDEB(variable) printf("%s = %f\n",(#variable),(variable)) //floatデバッグ用
#define DDEB(variable) printf("%s = %lf\n",(#variable),(variable)) //doublrデバッグ用


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

    int i=0,j=0,a,b;
    while(i!=n){
        scanf("%d %d", &a, &b);
        while(j!=a&&j!=b){
            j++;
        }

        if(a==b){
            printf("%c\n", 61);
        }else if(a==j){
            printf("%c\n", 60);
        }else{
            printf("%c\n", 62);
        }

        j = 0;
        i++;
    }


    return 0;
}