#include <cstdlib>
#include <iostream>
#include <fstream>
using namespace std;
bool notPrime[100001];
long long primeSum[100001];
int main(int argc, char *argv[])
{
    ifstream fin("DATA2.txt",ifstream::in);
    freopen("OUT2.txt","w",stdout);
    for(int i =2; i*i<=100000;++i)
            if(false== notPrime[i])
                   for(int j=i*i; j<=100000; j+=i)
                           notPrime[j] = true;
    for(int i = 2; i <=100000;++i){
                 
            primeSum[i] = primeSum[i-1]+ ((notPrime[i]==false)?i:0);
            
            }
    for(int t = 5;t--;){
           // puts("TEST");
            int a;fin>>a;
            cout<<primeSum[a]<<endl;
            
    }
    return EXIT_SUCCESS;
}