rightSide

#include
using namespace std;

int main(){
int o, a, i, j, k ,l, s = 0;
cout << "vvedite" << endl;
cin >> a; cout << endl;
i = a/1000;
j = (a/100)%10;
k = (a/10)%10;
l = a%10;
s = i+j+k+l;
cout << s;
return 0;
}