#include <iostream>
using namespace std;
int main(int argc, char* argv[])
{
	int N,i;
	cin>>N;
	int A,B;
	for (i=0;i<N;i++){
		cin>>A>>B;
		if (A>B){
			cout<<"<"<<endl;
		}else if (A==B){
			cout<<"="<<endl;
		}else{
			cout<<"<"<<endl;
		}
	}
	return 0;
}