#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
const int N = 110;
int a[N], al;

string b[N];
int bl;
int main(){
    LL n;
    cin>>n;
    if(n==0){
        cout<<"00"<<endl;
        return 0;
    }
    while(n){
        int x = n % 2;
        n /= 2;
        a[++al] = x;
    }
    al = ceil(1.0 * al / 7) * 7;
    for (int i = al; i > 1;i-=7){
        string s = "";
        for (int j = i; j > i - 7;j--)
            s =s+ to_string(a[j]);

        if(i == 7)
            b[++bl] = "1"+s;
        else
            b[++bl] = "0"+s;
    }
    for (int i = bl;i>=1;i--){
        for (int j = 0; j < b[i].size();j+=4){
            int x = (b[i][j] - '0') * 8 + (b[i][j + 1] - '0') * 4 
            + (b[i][j + 2] - '0') * 2 + (b[i][j + 3] - '0');
            if(x>=10)
                cout << char(x - 10 + 'A');
            else
                cout << x;
        }
        cout << " ";
    }
        return 0;
}