#include <bits/stdc++.h>
using namespace std;
int n;
int a[1001], b[1001], c[1001], d[1001];
void solve() {
  cin >> n;
  int r = 1;
  int i = 1;
  cin >> a[i] >> b[i] >> c[i] >> d[i];
  int sum = a[1] + b[1] + c[1] + d[1];
  for (int i = 2; i <= n; i++) {
    cin >> a[i] >> b[i] >> c[i] >> d[i];
    int sum1 = a[i] + b[i] + c[i] + d[i];
    if (sum1 > sum) {
      r += 1;
    }
  }
  cout << r;
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  if (fopen("input.txt", "r")) {
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
  }
  int t = 1;
  while (t--) {
    solve();
  }
}
