#include <stdio.h>
#include <math.h>

int main(void){
    long long int a, i, j, k = 0, p, cnt = 0, f[5] = {3, 5, 17, 257, 65537}, 
    g[32] = {1, f[0], f[1], f[2], f[3], f[4],
             f[0]*f[1], f[0]*f[2], f[0]*f[3], f[0]*f[4],
             f[1]*f[2], f[1]*f[3], f[1]*f[4],
             f[2]*f[3], f[2]*f[4],
             f[3]*f[4],
             f[0]*f[1]*f[2], f[0]*f[1]*f[3], f[0]*f[1]*f[4],
             f[0]*f[2]*f[3], f[0]*f[2]*f[4],
             f[0]*f[3]*f[4],
             f[1]*f[2]*f[3], f[1]*f[2]*f[4],
             f[1]*f[3]*f[4],
             f[2]*f[3]*f[4],
             f[0]*f[1]*f[2]*f[3],
             f[0]*f[1]*f[2]*f[4],
             f[0]*f[1]*f[3]*f[4],
             f[0]*f[2]*f[3]*f[4],
             f[1]*f[2]*f[3]*f[4],
             f[0]*f[1]*f[2]*f[3]*f[4]};

    scanf("%lld", &a);
    for(i=0;i<30;i++){
        for(j=0;j<32;j++){
            p = pow(2, i)*g[j];
            if(p>=3 && p<=a){
                cnt++;
            }
        }
    }
    printf("%lld\n", cnt);
    return 0;
}