/*
 * forloop1.c
 */
#include <stdio.h>

int main(void)
{
  int counter; // declare counter
  int counter2; // declare counter2
  
  int sum = 0; // declare and initialize sum
  int sum2 = 0; // declare and initialize sum2
 
  printf("%7s\t%3s\t%7s\t%3s\n", "counter", "sum", "counter2", "sum2"); // print right justified headers
  
  for( counter=0, counter2=10;
       counter <=10 ; 
       counter=(counter+1), counter2=(counter2+2) )  // initialize counter to 0 first round
                                                     // initialize counter2 to 10 
                                                     // evaluate if counter <=10
                                                     // if true, run inside of loop
                                                     // increment counter by 1
                                                     // incremetn counter2 by 2
  {
    sum=(sum+counter); // update the sum, by adding counter to sum.
    sum2=(sum2+counter); // update the sum2, by adding counter2 to sum2.

    printf("%4d\t%3d\t%4d\t%3d\n", counter, counter2, sum, sum2); // print right justified counter and sum
  }

  return 0;
}