#include <iostream.h>

long int n;
int d, k, max, nr;

int main()
{

    nr = max = 0;
    cin >> n;
    for( int i = 1; i <= n; i++)
        {
             k = 1;
             d = 1;
             while ( d <= i/2)
             {
                     if( i % d == 0) k++;
                     d++;
             }
             if( k > max ) 
             {
                 nr = i;
                 max = k;
             }
        }
        
    cout << nr << endl;
    
    system("pause");
    return 0;
}