int main(void) {
	// your code goes here
	int n, a, b, d, i, j;
	
	scanf("%d", &n);
	
	for(i=0;i!=n;i++){
		scanf("%d %d", &a, &b);
		if(a==b){
			printf("=\n");
			continue;
		}
		d=a-b;
		if(d/abs(d)==-1){
			printf("%c\n", 60);
		}else{
			printf("%c\n", 62);
		}
	}

	return 0;
}