#include <iostream>
#include <map>
#include <set>
#include <climits>
#include <queue>
#include <bitset>
#include <sstream>
#include <deque>
#include <cassert>
#if __has_include(<atcoder/modint>)
#   include <atcoder/modint>
#   include <atcoder/segtree>
#   include <atcoder/dsu>
#   include <atcoder/math>
#endif
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <numeric>
#include <iomanip>
#include <algorithm>
#include<stack>
#define CLIBCXX_DEBUG
#define ll long long
#define hmap unordered_map
#define hset unordered_set
using namespace std;
#if __has_include(<atcoder/modint>)
    using namespace atcoder;
    using mint10 = static_modint<10>;
    using mint = modint998244353;
#endif

ll powll(ll a, ll b)
{
    //制約　ans∊ll a, b∊double range
    return (ll)pow(a, b / 2) * (ll)pow(a, b - b / 2);
}
ll sum(ll a, ll b)
{
    return a + b;
}
ll e()
{
    return 0;
}

//return true if an argument is prime or one
bool isPrime(double num, set<ll>& primes, set<ll>& comps){
    if(num==1){
        return false;
    }
    if(primes.find(num)!=primes.end()){
        return true;
    }
    if(comps.find(num)!=comps.end()){
        return false;
    }
    double sq = sqrtf64(num);
    for(int32_t i = 2; i <= sq; ++i){
        if((ll)num%i==0){
            comps.insert(num);
            return false;
        }
    }
    primes.insert(num);
    return true;
}

int main()
{
    string s;
    cin >> s;
    ll cnt = 0;
    ll size = s.size();
    set<ll> primes;
    set<ll> comps;
    auto isPrime = [](double num, set<ll>& primes, set<ll>& comps)->bool{
        if(num==1){
            return false;
        }
        if(primes.find(num)!=primes.end()){
            return true;
        }
        if(comps.find(num)!=comps.end()){
            return false;
        }
        double sq = sqrtf64(num);
        for(int32_t i = 2; i <= sq; ++i){
            if((ll)num%i==0){
                comps.insert(num);
                return false;
            }
        }
        primes.insert(num);
        return true;
    };
    for(ll i = 0; i < (1<<(size-1)); ++i){
        ll ans = 0;
        string sub = "";
        ll j = 0;
        for(; j < size-1; ++j){
            if(!(i>>j&1)){
                sub+=s[j];
            }else{
                sub+=s[j];
                //cout << sub << endl;
                ans+=stoll(sub);
                sub = "";
            }
        }
        sub+=s[size-1];
        //cout << sub << endl;
        ans+=stoll(sub);
        if(isPrime(ans,primes,comps)){
            // cout << "regarded as prime:"<<ans<<endl;
            cnt++;
        }
    }
    cout << cnt << endl;
}