#include <bits/stdc++.h>

using namespace std;

vector<int> a[2000007];
long long t1,t2,n;

int main()
{
    n = 1000000;
    t1 = clock();
    for(int i=1; i<=n; i++) {
        a[i].push_back(i);
        a[i].push_back(i+1);
    }
    t2 = clock();
    cout << t2-t1<<endl;


    return 0;
}