#include <stdio.h>
#include <stdlib.h>


int
fr(int n)
{
    int i = 0, j= 0, counter = 0;

    for (i = 1; i <= n; i++) {
        for (j = 1; j <= n; j++) {
            if (i % j != 0 && (j % i != 0 || i == 1)) {
                counter++;
                //printf("%d\n %d\n", i, j);
            }
            if (i % j == 0 && j == 1) {
                counter++;
            }
        }
    }    
    return counter;
}

int 
main()
{
    int a;
    
    a = fr(4);
    printf("%d\n", a);
   
     
     return EXIT_SUCCESS;
}