#include <iostream>
#include <string>
#include <vector>
#include <queue>
#include <stack>
#include <map>
#include <algorithm>
#include <sstream>
#include <cmath>
#include <set>
#include <iomanip>
#include <deque>
#include <unordered_map>
using namespace std;
typedef long long ll;
 
#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
#define RREP(i,n) for(int (i)=(int)(n)-1;i>=0;i--)
#define REMOVE(Itr,n) (Itr).erase(remove((Itr).begin(),(Itr).end(),n),(Itr).end())
#define UNIQUE(Itr) sort((Itr).begin(),(Itr).end()); (Itr).erase(unique((Itr).begin(),(Itr).end()),(Itr).end())

ll N;
vector<ll> v,w;
ll V;

ll dp[100010];

int main() {

    cin >> N;
    v.resize(N);
    w.resize(N);
    REP(i,N) cin >> v[i] >> w[i];
    cin >> V;

    REP(i,100010) dp[i] = 0;
    REP(i,N) {
        RREP(j,100010) {
            if(j - w[i] >= 0) {
                dp[j] = max(dp[j],dp[j - w[i]] + v[i]);
            }
        }
    }

    ll ansmin = 1e9;
    ll ansmax = -1e9;

    for(int i=1; i<100010; i++) {
        if(dp[i] == V) {
            ansmin = min(ansmin,(ll)i);
            ansmax = max(ansmax,(ll)i);
        }
    }

    /*REP(i,11) cout << dp[i] << " " ;
    cout << endl;*/

    ll sum = 0;
    REP(i,w.size()) sum += w[i];

    if(sum < ansmax) {
        cout << ansmin << endl;
        cout << "inf" << endl;
    } else {
        cout << ansmin << endl;
        cout << ansmax << endl;
    }

    return 0;
}