..

#include <iostream>

using namespace std;

char a[101];

void StSpatii(char a[])
{
    for(int i = 0; a[i] != 0; i++)
        if(a[i] == ' ')
        {
            a[i] = 0;
            break;
        }
}

int Cautare(char a[], char ch)
{
    for(int i = 0; a[i] != 0; i++)
        if(a[i] == ch) return i;
    return -1;
}

void Inloc(char s[], char c1, char c2)
{
    for(int i = 0; a[i] != 0; i++)
        if(a[i] == c1) a[i] = c2;
}

int SumSir(char s[])
{
    int n = 0;
    for(int i = 0; a[i] != 0; i++) n += (a[i] - 48);
    return n;
}

int main()
{
    cout << "a: ";
    cin.getline(a, 101);

    /*
    cout << a << "." << "\n";
    StSpatii(a);
    cout << a << "." << "\n";
    */

    /*
    char ch;
    cout << "ch: ";cin >> ch;
    cout << Cautare(a, ch) << "\n";
    */

    /*
    char c1, c2;
    cout << "c1: ";cin >> c1;
    cout << "c2: ";cin >> c2;
    Inloc(a, c1, c2);
    cout << a << "\n";
    */

    cout << SumSir(a) << "\n";

    return 0;
}