#include <stdio.h>

void increment(int* int_pointer);

int main(void)
{
	int x = 0;
	printf("> \n");
	scanf("%d", &x);
	// TODO: Call increment with x by reference
	increment(&x);
	printf("x holds %d\n\n", x);
	// TODO: Call increment with x by reference
	increment(&x);
	printf("x holds %d\n\n", x);
	// TODO: Call increment with x by reference
	increment(&x);
	printf("x holds %d\n\n", x);
	return 0;
}

// TODO: Define increment function:
void increment(int* int_pointer)
{
     (*int_pointer) ++;
    
}