#include<bits/stdc++.h>
using namespace std;
#define ALL(x) begin(x),end(x)
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define mod 1000000007
using ll=long long;
const int INF=1000000000;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
// ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

struct IOSetup{
    IOSetup(){
        cin.tie(0);
        ios::sync_with_stdio(0);
        cout<<fixed<<setprecision(12);
    }
} iosetup;
 
template<typename T>
ostream &operator<<(ostream &os,const vector<T>&v){
    for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" ");
    return os;
}
template<typename T>
istream &operator>>(istream &is,vector<T>&v){
    for(T &x:v)is>>x;
    return is;
}


signed main(){
    int n;cin>>n;
    vector<int> v(n),w(n);
    rep(i,n) cin>>v[i]>>w[i];
    int V;cin>>V;

    const int sz=1000100;
    vector<int> dp(sz,INF);
    dp[0]=0;
    rep(i,n){
        vector<int> ndp(sz,INF);
        rep(j,sz){
            if(j+v[i]<sz) chmin(ndp[j+v[i]],dp[j]+w[i]);
            chmin(ndp[j],dp[j]);
        }
        swap(dp,ndp);
    }

    int mi=0,ma=INF;
    rep(i,V+1) if(dp[i]<INF) mi=dp[i];
    for(int i=V+1;i<sz;i++) if(dp[i]<INF) chmin(ma,dp[i]);

    cout<<max(1,mi)<<endl;
    cout<<(ma>=INF?"inf":to_string(ma-1))<<endl;
    return 0;
}