#include<iostream>
using namespace std;
char a1[10001];
int b,c[100001],a[100001],len,k=1,cnt;
int main()
{
    cin>>a1>>b;
    len=strlen(a1);
    for(int i=1;i<=len;i++)
    {
        a[i]=a1[i-1]-'0';
    }
    for(int i=1;i<=len;i++)
    {
    	cnt=cnt*10+a[i];
        c[i]=cnt/b;
        cnt%=b;
    }
    while (c[k]==0&&k<len)
    {
        k++;
    }
    for (int i=k;i<=len;++i) 
    {
        cout<<c[i];
    }
    return 0;
}