#include<bits/stdc++.h> using namespace std; int main() { double n; cin>>n; int r; cin>>r; int z=n; double x=n-z; int b[32],cnt=0; while(z!=0){ int y=z%r; b[cnt]=y; cnt++; z/=r; } if(cnt==0){ cout<<0; }else{ for(int i=cnt-1;i>=0;i--){ if(b[i]<10){ cout<<b[i]; } else{ b[i]+=55; cout<<(char)b[i]; } if(x!=0){ cout<<"."; }else{ return 0; } for(int i=0;i<9;i++){ x=x*r; int xz=x; cout<<xz; x=x-xz; if(x==0){ break; } } return 0; }