import std.stdio, std.algorithm, std.string, std.conv, std.array, std.range, std.math;

static immutable int N = 500000;

long[] precalc() {
    long[] d = new long[N];
    d[0] = 1;
    foreach (i; 1..N) d[i] = d[i/3] + d[i/5];
    return d;
}

void main() {
    static long[] dp = precalc();
    long n;
    readf("%d\n", &n);

    long f(long x) {
        if (x < N)
            return dp[x.to!int];
        return x == 0 ? 1L : f(x/3) + f(x/5);
    }

    writeln(f(n));
}