#include "bits/stdc++.h"

int n,a,b,ct=0;
int main(){
scanf("%d",&n);
while(ct!=n){
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;
}