#include <bits/stdc++.h>
using namespace std;
int main()
{
long long n, k, j;
double sum1, sum2;
cin >> n;
sum1 = sum2 = 0;
for(j=1; j<n; j++)
for(k=1; k<=n-j; k++)
sum1 += 1./k;
for(k=1; k<n; k++)
for(j=1; j<=n-k; j++)
sum2 += 1./k;
cout << sum1 << " " << sum2 << endl;
return 0;
}
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