#include"bits/stdc++.h"
using namespace std;
int main(){
	int n,a,b;
	scanf("%d",&n);
	while(scanf("%d %d",&a,&b)!=EOF){
		if(a==b)
			printf("%c\n",'=');
		else if(less()(a,b))
			printf("%c\n",char(60));
		else
			printf("%c\n",char(62));
	}
}