#include <iostream>

double oldx[3], oldy[3];

using namespace std;

int main()
{oldx[0]=100,oldx[1]=200,oldx[2]=200,oldx[3]=100;
oldy[0]=100,oldy[1]=100,oldy[2]=200,oldy[3]=200;

for (int i=0;i<4;i++)
{cout<<"oldx["<<i<<"] = "<<oldx[i]<<endl;

}


return 0;
}