Write a c program to add two numbers without using addition operator.

#include <stdio.h>

int add(int a, int b) {
    if (b == 0) {
        return a;
    }
    int sum = a ^ b;
    int carry = (a & b) << 1;
    return add(sum, carry);
}

int main() {
    int num1, num2;
    printf("Enter two numbers: ");
    scanf("%d %d", &num1, &num2);
    int result = add(num1, num2);
    printf("The sum is: %d\n", result);
    return 0;
}