#include
using namespace std;
 
int main()
{
    long long int i,j,n;
    long long int x;
    long long int m=1000001;
 
    //generate prime numbers 
    vector primes(1000001,true);
    set st;
    primes[0]=primes[1]=false;
 
    //seive of eratosthenes
    for(i=2;i*i<=m;i++)
    {
        if(primes[i])
        {
            for(j=i;i*j<=m;j++)
            {
                primes[i*j]=false;
            }
        }
    }
 
    //put all the t_primes in the set
    for(i=2;i<=m;i++)
    {
        if(primes[i])
            st.insert(i*i);
    }
 
    cout<<"How many numbers ?"<>n;
 
    while(n--)
    {
        cout<>x;
 
        if(st.find(x)!=st.end())
            cout<