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#include <iostream>
using namespace std;
int main() {
    int n;
    cin >> n;

    for (int i = 2; i <=sqrt(n); i++) {
        if (n % i == 0) {
            cout << "ne prostoye potomu chto delitsya na i";
            return 0;
        }
    }
    cout << "prostoye chislo";
    return 0;
}