#include <stdio.h>

// declare the function
int sum3(int a, int b, int c)
{
	a += 5;
	return a + b + c;
}

int main()
{
	// declare a couple integers
	int a = 5, b = 7, c = 6, result;

	printf("a = 0x%x\t&a = 0x%x\n", a, &a);
	printf("b = 0x%x\t&b = 0x%x\n", b, &b);
	printf("c = 0x%x\t&c = 0x%x\n", c, &c);

	// call the function
	result = sum3(a,b,c);

	printf("result = %d\n", result);
	
	printf("a = 0x%x\t&a = 0x%x\n", a, &a);
	printf("b = 0x%x\t&b = 0x%x\n", b, &b);
	printf("c = 0x%x\t&c = 0x%x\n", c, &c);

	// can call function as many times as you want

	return 0;
}