#include <iostream>
#include <sstream>
#include <string>
using namespace std;
 
void print_int(int number){
	stringstream tmp_stream;
	tmp_stream << number;
	string str_num(tmp_stream.str());
	int sum = 0;
	for (size_t i = 0; i < str_num.size(); ++i){
		cout << str_num[i] << ' ';
		sum+=str_num[i]-'0';
	}
	cout << sum;
}
 
int main(int argc, char **argv) {
	int number;
	cin >> number;
	print_int(number);
	return 0;
}

#include <iostream>
#include <cmath>
#include <limits.h>
#include "DigitSeparator.h"
 
void DigitSeparator::Separator( long int x ){
     int z;
     int q = 1;
     int sum = 0;
 
     if(x <= ULONG_MAX){
         while(1){
             if(x < pow(10.0, q++)){
                 z = q-1;
                 break;
                 }
             }            
         while (z != 0) sum += (int)((x%(int)(pow(10.0, z)+0.5))/pow(10.0, --z));
         std::cout << sum;
     }
     std::cin.clear();
     std::cout << "\n\n";
}

#include <iostream>
#include <iterator>
 
template <typename OutIt>
int sum_digits ( int value, int radix, OutIt *it = 0 )
{
  if ( value == 0 )
    return 0;
 
  int digit = value % radix;
  int sum = sum_digits ( value / radix, radix, it ) + digit;
 
  if ( it != 0 )
    *it++ = digit;
 
  return sum;
}
 
int main()
{
  std::cout<<"Enter an integer: ";
 
  int value;
 
  if ( std::cin>> value ) {
    int sum = sum_digits ( value, 10, 
      &std::ostream_iterator<int> ( std::cout, " " ) );
 
    std::cout<<"\nThe sum is "<< sum <<'\n';
  }
}

#include <iostream>
#include <cmath>
using namespace std;
void main()
{
	int number , num ;
	double count;
 
	cout<<"Please enter an integer."<<endl;
	cin>>number;
 
if(number < 0) // Convert negative integers to positive integers
number = -number;
 
num = number;
 
if(number < 10) //Case1: Integers less than 10
cout<<number<<endl;
 
 
while(num > 10)//Case2: Integers greater than 10
{
  for(count = 0 ; num > 10 ; count++)
  {
  num = num / 10;
  }
cout<<num<<" ";
number = number - ( num * pow(10 ,count) );
num = number;
}
cout<<num<<" "; //Prints the last digit
 
}

#include <iostream>
#include <string>
#include <algorithm>
#include <numeric>
#include <iterator>
 
using namespace std;
 
int main(){
 string num;
 cin >> num;
 //print each digit
 std::copy( num.begin(), num.end(), std::ostream_iterator<char>(cout," "));
 //get sum
 int sum = std::accumulate(num.begin(),num.end(),0) - '0' * num.size();
 
 cout << "sum is = " << sum << endl;
 
 return 0;
}

#include <iostream>
using namespace std;
void main()
{
int sum=0;
char ch;
cout<<"Please enter an integer."<<endl;
 
for (int index=0; ;index++)
{
cin.get(ch);
 
  if(ch==' ' ||ch =='\n' || ch=='\t') //To end the loop when all the input is read.
   {
   cout<<endl;
   break;
   }
 
if (index==0) //To print "Number: " before printing the input
cout<<"Number: ";
 
if(ch=='-')
continue;
 
sum = sum + (ch-48); //Minus 48 (See ASCCI table http://www.cpptutor.com/ascii.htm)
cout<<ch<<" ";
}
cout<<"Sum = "<<sum<<endl; 
}

#include <iostream>
#include <string>
using namespace std;
void main()
{
int sum=0;
string number , b ;
 
cout<<"Please enter an integer."<<endl;
cin>>number;
 
for(int index=0 ; ; index++)
{
string b(number,index, 1);
 
if(b=="-")
continue;
 
if(b =="")//To end the loop when all the input is printed.
break;
 
cout<<b<<" ";
}
cout<<endl;
}

int main(){unsigned d=0,n,s=0;cin>>n;for(;n;d=n%10,s+=d,n/=10);cout<<s;return s;}