Var10 sub3 ex3

#include <iostream>

using namespace std;

void sub(unsigned int n,unsigned int &a, unsigned int &b)
{
    unsigned int cnt=2;
    for(int i=n;i>=2 && cnt;i--)
    {   int x=0;
        for(int j=2;j<i/2;j++)
        {
            if(!(i%j))
                x++;
        }
        if(!x)
        {
            cnt--;
            if(cnt == 1)
                a=i;
            else if(cnt == 0)
                b=i;
        }
    }
}

int main()
{
    unsigned int n,a=0,b=0;
    cin>>n;
    sub(n,a,b);
    cout<<a<<" "<<b;
    return 0;
}