#include "stdio.h"
#include "string.h"
int main(int argc, char* argv[])
{
	int N,i;
	scanf("%d",&N);
	int A,B;
	i=1;
	while (i!=N+1){
		scanf("%d %d",&A,&B);
		if (A==B){
			printf("%c\n",61);
		}else{
			char x[10];
			sprintf(x,"%d",A-B);
			if (x[0]=='-'){
				printf("%c\n",60);
			}else{
				printf("%c\n",62);
			}
		}
		i++;
	}
	return 0;
}