#include <cstdio>
#include <cstdlib>
#include <ctime>

int main()
{
    int n, sum = 0;
    printf("Vvedite n: ");
    scanf_s("%d", &n);
    int *massiv = new int[n];
    srand((unsigned)time(NULL));
    for (int i = 0; i < n; ++i)
    {
         massiv[i] = rand() % 100;
         printf("%d ", massiv[i]);
         if ((massiv[i] % 5 == 0) && (massiv[i] % 7 != 0))
            sum += massiv[i];
    }
    if (sum) printf("\nSum: %d", sum);
    else printf("\nElementy, kratniye 5 i nekratniye 7 otsutstvuyut.");
    return 0;
}