#include <iostream> 
using namespace std; 
int main () { //declare variables 
  int regionSales = 0; 
  int numRegions = 1; 
  int totalSales = 0; //enter input items ; 
  for (int numRegions=1; numRegions < 4; numRegions+=1) { 
    cout << "Enter region " << numRegions << "'s quarterly sales: ";
    cin >> regionSales;
    totalSales += regionSales; 
  } //end for 
  cout << "Total quarterly sales: $" << totalSales << endl; 
}