#include "stdio.h"
#include "string.h"
int main(int argc, char* argv[])
{
	int N,i;
	scanf("%d",&N);
	int A,B;
	for (i=1;i<=N;i++){
		scanf("%d %d",&A,&B);
		if (A==B){
			printf("=\n");
		}else{
			char x[10];
			sprintf(x,"%d",A-B);
			if (x[0]=='-'){
				printf("<\n");
			}else{
				printf(">\n");
			}
		}
	}
	return 0;
}