include

using namespace std; int a[10000],b[10000]; int main(){ string s1;int num,d=0;bool start=flase; cin>>s1>>num; for(int i=0;i<s1.size();i++){ d=d*10+s1[i]-'0'; if(d/num>0)start=flase; cout<<d/num; d%=num; } if(start=flase)cout<<0; return0;}