/******************************************************************************
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*******************************************************************************/
#include <bits/stdc++.h>
using namespace std;
int N=1e8;
int main()
{
int n;
cin>>n;
vector<pair<int,int>> city(n);
vector<int> ans(n);
for(int i=0;i<n;i++)
{
int a,b;
cin>>a>>b;
city[i]={a,b};
}
for(int i=0;i<N;i++);
cout<<"1"<<endl;
return 0;
}
