# Task 1 Skeleton Code

<pre class="language-c"><code class="lang-c">#include &#x3C;stdio.h>
#include &#x3C;string.h>
#include &#x3C;stdint.h>
#include &#x3C;stdbool.h>

const char* const msg_cannot_input = "Please input a math equation:\n";
const char* const msg_cannot_output = "Output:\n";
const char* const error_msg = "ERROR! The string input is not supported!!\n";

int main(){
    
<strong>    return 0;
</strong>}

// Deleted code is debugged code.
</code></pre>