#include<stdio.h>

int main(void){
	int n,a,b;
	char c;

	scanf("%d",&n);
	for(;n>0;n--){
		scanf("%d %d",&a,&b);

		if(a==b)
			c=61;
		else if(a>b)
			c=62;
		else
			c=60;

		printf("%c\n",c);

	}

	return 0;
}