#include<iostream>

#include<cstring>

#include<cstdio>

using namespace std;

int lena,c[],a[],b,lenc,k=;

char a1[];

int main(){

    scanf("%s",a1);

    cin>>b;

    lena=strlen(a1);

    for(int i=;i<lena;i++)a[i]=a1[i]-'';

/*    for(int i=0;i<lenb;i++)b[i]=b1[lenb-i+1]-'0';*/

    for(int i=;i<=lena-;i++)

    {

        c[i]=a[i]/b;

        a[i+]+=(a[i]%b)*;

    }

    while(c[k]==)k++;

    for(int i=k;i<=lena-;i++)

        printf("%d",c[i]);

    return ;

    }