10.13

#include <iostream>

using namespace std;

bool isPerfectSquare(int n) {
    double guess = sqrt(n);
    int r = floor(guess);
    if (r * r == n) return true;
    else {
        r = ceil(guess);
        return r * r == n;
    }
}

int main() {
    const int n = 5;

    int m[n];
    int perfectSquaresCounter = 0;
    for (int i = 0; i < n; i++) {
        cin >> m[i];
        if (isPerfectSquare(m[i])) {
            perfectSquaresCounter++;
        }
    }
    cout << perfectSquaresCounter << endl;


    system("PAUSE");
    return 0;

}