#include <iostream.h>

void main(){
    int n, i, nr, sum, c, ok, diz, cnt = 0;
    int v[100000];

    cout << "n= "; cin >> n;
    for(i = 0; i < n; i++){
        sum = 0; ok = 1; diz = 2;
        cout << "v[" << i << "]= ";
        cin >> v[i];
        nr = v[i];
        while(nr != 0){
            c = nr % 10;
            sum += c;
            nr /= 10;
        }
        while(ok && diz <= sum / 2){
            if(sum % diz == 0)
                ok = 0;
            diz++;
        }
        if(ok)
            cnt++;
    }
    cout << "\n" << cnt;
}