#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n;
  cin >> n;
  vector<int> v(n), w(n);
  vector<int> dp(100000+10);
  
  REP (i, n) cin >> v[i] >> w[i];
  int z;
  cin >> z;

  REP (i, n) {
    for (int j = dp.size() - 1; j >= w[i]; j--) {
      dp[j] = max(dp[j], dp[j-w[i]] + v[i]);
    }
  }

  int x = dp.size(), y = -1;
  REP (i, dp.size()) {
    if (dp[i] == z) {
      x = min(x, i);
      y = max(y, i);
    }
  }

  cout << max(1, x) << endl;
  if (y == dp.size() - 1) 
    cout << "inf" << endl;
  else
    cout << y << endl;
  
  return 0;
}