Subtract Two Numbers without using Subtraction operator

/*
Write a program to subtract two numbers without using subtraction operator
*/

#include<stdio.h>

int main(){
  
    int a,b;
    int sum;

    printf("Enter any two integers: ");
    scanf("%d%d",&a,&b);

    sum = a + ~b + 1;

    printf("Difference of two integers: %d",sum);

    return 0;
}