#include <bits/stdc++.h>

using namespace std;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	string N;
	cin >> N;
	int len = (int)(N.size());
	vector<long long> A;
	for (int bit = 0; bit < (1 << (len - 1)); bit++) {
		long long sum = 0;
		string T;
		for (int i = 0; i < len; i++) {
			T += N[i];
			if ((bit & (1 << i)) || (i == len - 1)) {
				sum += stoll(T);
				T = "";
			}
		}
		A.push_back(sum);
	}
	int ans = 0;
	for (int i = 0; i < (int)(A.size()); i++) {
		bool flg = true;
		if (A[i] == 1) {
			flg = false;
		}
		for (long long j = 2; j * j <= A[i]; j++) {
			if (A[i] % j == 0) {
				flg = false;
			}
		}
		if (flg) {
			ans++;
		}
	}
	cout << ans << endl;
	return 0;
}