I'm not able to understand this! Please make it easier to understand, someone!

Question

#include <iostream>
using namespace std;

int main()
{
int x = 1;
int y;
int z = 0;

while (x <= 5) {
cin >> y;
z +=y;
x++;
}
cout << z << endl;

return 0;
}

Answer 1

It just taking 5 inputs and sum of those numbers is the output displayed..
Seems completed loops, then try to analyse step by step... Don't be hurry...