/* This program shows the use of a static variable inside a function.
   See how the output changes if you remove the keyword static. */

#include<iostream.h>

int f(int);

void main(){

  for (int i=1; i<=3; i++)
    cout << f(i) << endl;
}

int f(int a){
  int c;
  static int b = 1;

  c = a+b;
  b++;
  return c;
}