#include <bits/stdc++.h>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<long double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

const int M=100005;
int n,m,dp[M+1];

int main(){
	cin>>n;
	for(int i=0;i<n;i++){
		int A,B;
		cin>>A>>B;
		for(int j=M;j>=B;j--) dp[j]=max(dp[j],dp[j-B]+A);
	}
	cin>>m;
	int mn=inf,mx=0;
	for(int i=1;i<=M;i++) if(dp[i]==m){
		mn=min(mn,i);
		mx=max(mx,i);
	}
	cout<<mn<<endl;
	if(mx==M) cout<<"inf"<<endl;
	else cout<<mx<<endl;
}