ex27

#include<iostream>
using namespace std;

void sumazec(int a,int n,int &s)
  {
       s=0;
   int p=1,i,nr;
   for(i=1;i<=n;i++)
     {
      p=p*10;
     }
    nr=p/a;
     while(nr>0)
     {
       s=s+nr%10;
       nr=nr/10;
     }
  }

  int main()
   {
    int n,p,s;
    sumazec(4,3,s);
    cout<<s;
   }