#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
vector<int> one(n+1),two(n+1);
two[0]=0;
one[0]=0;
for(int i=1,a,b;i<=n;i++){
cin>>a>>b;
if(b==1){
one[i]=one[i-1]+a;
two[i]=two[i-1];
}
if(b==2){
two[i]=two[i-1]+a;
one[i]=one[i-1];
}
}
//for(auto &x:one){
// cout<<x<<" ";
//}
//cout<<endl;
//for(auto &x:two){
//cout<<x<<" ";
//}
// cout<<endl;
for(int i=1;i<=n;i++){
if(one[i]>two[i]){
cout<<">"<<endl;
}else if(one[i]<two[i]){
cout<<"<"<<endl;
}else{
cout<<"?"<<endl;
}
}
}
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