#include<bits/stdc++.h>
using namespace std;
int maxi[400001];
int mini[400001];
int lp[400001];
const int k=(1<<17);
void pushlazy(int cur) {
if(cur>=k) {
return;
}
maxi[cur*2]+=lp[cur];
maxi[cur*2+1]+=lp[cur];
mini[cur*2]+=lp[cur];
mini[cur*2+1]+=lp[cur];
lp[cur*2]+=lp[cur];
lp[cur*2+1]+=lp[cur];
lp[cur]=0;
return;
}
void upd(int from,int to,int val,int cur=1,int beg=0,int en=k-1) {
pushlazy(cur);
if(to<beg || from>en)return;
if(from<=beg && en<=to) {
lp[cur]+=val;
maxi[cur]+=val;
mini[cur]+=val;
pushlazy(cur);
return;
}
int mid=(beg+en)/2;
upd(from,to,val,cur*2,beg,mid);
upd(from,to,val,cur*2+1,mid+1,en);
mini[cur]=min(mini[cur*2],mini[cur*2+1]);
maxi[cur]=max(maxi[cur*2],maxi[cur*2+1]);
return;
}
int main() {
int n;cin>>n;
for(int i=0;i<n;i++) {
int x,r;cin>>x>>r;
if(r==1)upd(0,x,1);
else upd(0,x,-1);
if(maxi[1]<=0)cout<<"<"<<endl;
else if(mini[1]>=0)cout<<">"<<endl;
else cout<<"?"<<endl;
}
return 0;
}
