gistfile1.txt

#include <iostream>
#include <string>
#include <math.h>

using namespace std;

int main()
{
int a = 2000000000;
int cc =1;
for (int i = sqrt(a); i > 0; i --){
    while (true){
    	unsigned long long r = i*i*cc;
    	cout << r << endl;
        if (r == a) {cout << i*i; return 0;}
        if (r > a) {r=0; break;}
        cc++;
    }
}

}