#include <bits/stdc++.h>
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
using namespace std;
const int N = 1e5;
int main()
{
ios_base::sync_with_stdio(0), cin.tie(0);
int n, sum1 = 0, sum2 = 0, max1 = 0, max2 = 0;
cin >> n;
FOR( i, 1, n, 1 )
{
int x, tp; cin >> x >> tp;
if( tp == 1 )
{
sum1 += x;
max1 = max( max1, x );
}
if( tp == 2 )
{
sum2 += x;
max2 = max( max2, x );
}
if( max1 > max2 )
{
if( sum2 >= sum1 ) cout << "?";
else cout << ">";
}
if( max2 > max1 )
{
if( sum1 >= sum2 ) cout << "?";
else cout << "<";
}
cout << '\n';
}
}
