# include <algorithm>
#include<stdio.h>
int n,a,b,ct=0;
int main() {
	scanf("%d", &n);
	while(ct!=n-1){
		scanf("%d""%d", &a, &b);
		if (a == b)printf("%c""%s",char('0' + 13),"\n");
		else {
			if (std::max(a, b) == a)printf("%c""%s", char('0' + 14), "\n");
			else printf("%c""%s", char('0' + 12), "\n");
		}
		++ct;
	}
	return 0;
}