neaDragulin

#include <iostream>
using namespace std;

int main()
{
    int n,k;
    cin>>n>>k;
    if(k==1)
        cout<<n%72;
    else
    {
        int a=n%1000;
        if(a<10)
            a=n*100+n*10+n;
        else
            if(a<100)
                a=n+100*(n%10);
        int r2=a%8;
        long long s=0;
        while(n)
            s+=n%10,n/=10;
        s*=k;
        int r1=s%9;
        if(9*r2-8*r1>0)
            cout<<9*r2-8*r1;
        else
            cout<<9*r2-8*r1+72;
    }
    return 0;
}