#include <bits/stdc++.h>

using namespace std;

int N, V, W = 0;
int MIN = INT_MAX, MAX = 0;
int value[100001] = {0};
int weight[100001] = {0};
int dp[100001] = {0};

void rec(int val = 0, int wei = 0, int count = 0){
    
    dp[wei] = val;
    if(count == N) return;
    
    rec(val + value[count], wei + weight[count], count + 1);
    rec(val, wei, count + 1);
    
    return ;
}

int main(void){
    
    cin >> N;
    for(int i = 0; i < N; ++i){
        cin >> value[i];
        cin >> weight[i];
        W += weight[i];
    }
    cin >> V;
    
    rec();
    
    for(int i = 1; i <= W; ++i){
        if(dp[i] <= dp[i - 1]) dp[i] = dp[i - 1];
        if(dp[i] == V){
            if(MIN > i) MIN = i;
            if(MAX < i) MAX = i;
        } 
    }
    
    if(dp[MAX + 1] == 0) cout << MIN << endl << "inf" << endl;
    else cout << MIN << endl << MAX << endl;
    
    return 0;
    
}