#include<iostream>
using namespace std;

int main(){

    int i, j;
    int sum=1;
    cout<<"Enter your sum: "<<endl;
    cin>>i;

    while(i>0){
        j=i%10;
        sum=sum+j;
        i=i/10;

    }
    cout<<"Sum: "<<sum;
    cout<<endl;
}