#include <stdio.h> // Include standard input-output library

int main() { 
    int a; // Declare variable a only once
    int b; // Define the type for b
    int c = 0; // Initialize c to 0

    // The following lines of code intentionally include errors to test the compiler's error management:
    
    a = 10; // The previous duplicate declaration is commented out
    b = "hello"; // Type mismatch, b expects an int type
    print(c); // Call to undefined function print
    int = 5; // Assignment statement should not have a type definition on the left side
    return; // Syntax error, missing a return value

    // Output valid code
    printf("Value of c: %d\n", c); // Correct output statement

    return 0; // Return 0, indicating the program ends successfully
}