int main() {
    printf("Testing String Concatenation:\n\n");

    char *hello = "Hello";
    char *world = " World";
    char *result = hello + world;
    printf("Result: %s\n", result);

    printf("\nTesting multiple concatenations:\n");
    char *a = "aaa";
    char *b = "bbb";
    char *c = "ccc";
    char *abc = a + b + c;
    printf("a + b + c = %s\n", abc);

    printf("\nTesting literal concatenation:\n");
    char *direct = "First" + " Second" + " Third";
    printf("Result: %s\n", direct);

    printf("\nTesting with variable and literal:\n");
    char *name = "Alice";
    char *greeting = "Hello, " + name + "!";
    printf("%s\n", greeting);

    printf("\nTesting in printf directly:\n");
    printf("Direct: %s\n", "Start" + " Middle" + " End");

    return 0;
}