#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <algorithm>

int main(int argc, char const* argv[])
{
	int N;
	scanf("%d",&N);
	int a[N],b[N];
	int i=0;
	int ans[N];
	while(i!=N){
		scanf("%d",&a[i]);
		scanf("%d",&b[i]);
		if(a[i]==b[i]){
			ans[i]= 61;
			
		}
		else if((a[i]==std::max(a[i],b[i]))){
			ans[i]= 62;
		}
		else {
			ans[i]= 60;
		}
		i++;
	}
	int j=0;
	while (j!=N) {
		printf("%c\n",ans[j]);
		j++;
	}
	return 0;
}