#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <cstdio>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
#define MP make_pair
#define PB push_back
ll n,s,r,a[10],i,j,k,p;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n;
for(i=1;i<=n;i++)
{
cin>>r>>s;
a[s]+=r;
if(a[1]==a[2])
cout<<"?"<<endl;
if(a[1]<a[2])
cout<<"<"<<endl;
if(a[1]>a[2])
cout<<">"<<endl;
}
return 0;
}
