/* This example shows a failure to initialize a variable.
 * What is its output?
 */

#include <stdio.h>

int foo() {
  int a = 331;
  return a;
}

int bar() {
  int b;
  return b;
}

int main() {
  foo();
  int num = bar();
  printf("%d rocks!\n", num);
  return 0;
}