/*
TASK: sqrt
LANG: C++
*/
#include <iostream>
#include <cmath>
#include <iomanip>
using namespace std;
int n,a;
int main()
{ long double c;
  cin>>a>>n;
  c=sqrt(a);
  c=c-int(c);
  cout<<(int)sqrt(a)<<",";
  for(int i=1;i<=n;i++)
      {c*=10;
       cout<<(int)c;
       c=c-(double)(int)c;
       }
  cout<<endl;
  return 0;
}
