#include<bits/stdc++.h> #define ff first #define ss second #define pb push_back #define mp make_pair #define int long long using namespace std; const int maxn = 5e5; const int md = 998244353; signed main() { int t; cin >> t; int cur = 0, ans = 0; while(t--){ int n, m; cin >> n >> m; if(m == 1){ cur += n; } else{ ans += n; } if(cur == ans){ cout << "?" << endl; } else if(cur > ans){ cout << ">" << endl; } else{ cout << "<" << endl; } } }