#include <iostream>

using namespace std;

int main()
{
    int szamok[] ={15, 31, 74, 7, 58, 89, 67, 31, 52, 32};

    for (int i=0; i<10; i++)

    cout << szamok[i]<<" ";

cout<<endl;

 int db = 0;
  for (int i=0; i<10; i++)
    if(szamok[i]%10 == 7) {
        cout << szamok[i]<<" ";
        db++;
        }
cout<<endl;
     cout<<db;



}