#include <cstdio>
#include <iostream>
#include <string>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <vector>
#define PI acos(-1.0)
#define ms(a) memset(a,0,sizeof(a))
#define msp memset(mp,0,sizeof(mp))
#define msv memset(vis,0,sizeof(vis))
#define msd memset(dp,0,sizeof(dp))
using namespace std;
//#define LOCAL
int dp[300000];
int main()
{
#ifdef LOCAL
    freopen("in.txt", "r", stdin);
    //freopen("out.txt","w",stdout);
#endif // LOCAL
    ios::sync_with_stdio(false);
    int n;
    while(cin>>n&&n>0)
    {
        int sum=0;
        vector<int>v;
        v.clear();
        for(int i=0;i<n;i++)
        {
            int t1,t2;
            cin>>t1>>t2;
            while(t2)
            {v.push_back(t1);t2--;sum+=t1;}
        }
        int m=sum/2;
        msd,n=v.size();
        for(int i=0;i<n;i++)
        {
            for(int j=m;j>=v[i];j--)
            {
                dp[j]=max(dp[j],dp[j-v[i]]+v[i]);
            }
        }
        printf("%d %d\n",sum-dp[m],dp[m]);
    }
    return 0;
}