题解

#include<iostream>
using namespace std;
int main(){
    int n;
    long long minn=0,maxn=0;
    cin>>n;
    while(n--){
        int l,r;
        cin>>l>>r;
        minn+=l;
        maxn+=r;
    }
    cout<<minn<<' '<<maxn;
    return 0;
}