#include using namespace std; #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define lfs <= (ll)(m); i--) using ll = long long; using ld = long double; const ll MOD = 1e9+7; //const ll MOD = 998244353; const ll INF = 1e18; using P = pair; template void chmin(T &a,T b){if(a>b)a=b;} template void chmax(T &a,T b){if(a void ans(bool x,T1 y,T2 z){if(x)cout< void debug(vector>v,ll h,ll w){for(ll i=0;iv,ll h,ll w){for(ll i=0;i void debug(vectorv,ll n){if(n!=0)cout< vector>vec(ll x, ll y, T w){ vector>v(x,vector(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vectordx={1,0,-1,0,1,1,-1,-1}; vectordy={0,1,0,-1,1,-1,1,-1}; template vector make_v(size_t a,T b){return vector(a,b);} template auto make_v(size_t a,Ts... ts){ return vector(a,make_v(ts...)); } int main(){ cin.tie(NULL); ios_base::sync_with_stdio(false); ll res=0,res1=INF,res2=-INF,buf=0; bool judge = true; ll n;cin>>n; ll maxa=0,suma=0,maxb=0,sumb=0; rep(i,0,n-1){ ll a,b;cin>>a>>b; chmax(maxa,a);suma+=a; chmax(maxb,b);sumb+=b; } cout<