title: C program stopped working after use scanf
body: <p>so i have this C code</p>
  
  <pre><code>#include &lt;stdio.h&gt;
  #include &lt;stdlib.h&gt;
  
  int main()
  {
     int a;
     int b;
     int c;
     scanf("%d", &amp;b);
     scanf("%d", &amp;a);
     c = a + b;
     printf(c);
     return 0;
  }
  </code></pre>
  
  <p>but, after i insert number for a and b, the program stop working. please help me
  C noob here</p>