#includevoid main() { int sum; sum = 500 + 15; printf("The sum of 500 and 15 is %d\n", sum); getch(); } Example x + = 1 is same as x = x + 1 The commonly used shorthand assignment operators are as follows Simple form Shorthand form a = a + 1 a += 1 a = a - 1 a -= 1 a = a*(n+1) a *= (n+1) a = a/(n+1) a /= (n+1) a = a % b a %= b