#include <stdio.h>

int j = 42;

void func3()
{
  int i = 11, j = 999;
  printf("\t\t\t[in func3] i = %d, j = %d\n", i, j);
}

void func2()
{
  int i = 7;
  printf("\t\t[in func2] i = %d, j = %d\n", i, j);
  printf("\t\t[in func2] setting j = 1337\n");
  j = 1337;
  func3();
  printf("\t\t[back in func2] i = %d, j = %d\n", i, j);
}

void func1()
{
  int i = 5;
  printf("\t[in func1] i = %d, j = %d\n", i, j);
  func2();
  printf("\t[back in func1] i = %d, j = %d\n", i, j);
}

int main(int argc, const char *argv[])
{
  int i = 3;
  printf("[in main] i = %d, j = %d\n", i, j);
  func1();
  printf("[back in main] i = %d, j = %d\n", i, j);
  return 0;
}