#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cmath>
#include <cstring>
#include <vector>
#include <map>
#include <vector>
#include <queue>

using namespace std ;
typedef long long LL ;
typedef pair<int,int> pii;
#define X first
#define Y second

const int N = 100010;
LL n , e[N] , x[N] ;
int aa[100] , bb[100] , res[100] ;
inline LL gcd( LL a , LL b ) { return b == 0 ? a : gcd( b , a % b );}
LL decode( LL a , LL b ) {
    int lena = 0 , lenb = 0 ;
    memset( aa , 0 , sizeof aa );
    memset( bb , 0 , sizeof bb );
    LL x = a ;
    while( x > 0 ) { aa[lena++] = x % 2 ; x /= 2 ; }
    x = b ;
    while( x > 0 ) { bb[lenb++] = x % 2 ; x /= 2 ; }

    LL ans = 0 ;
    for( int i = 0 ; i < lena ; ++i ) {
        if( bb[i] == 0 ) res[i] = aa[i];
        else res[i] = aa[i]^1;
        if( res[i] ) ans += (1LL<<i);
    }
    return ans ;
}

void solve() {
    int tot = 0 , cnt = 0  ;
    for( LL i = 1 ; i * i <= n ; ++i ) {
        if( n % i == 0 ){
            e[tot++] = i ;
            if( i != n/i ) e[tot++] = n/i ;
        }
    }
    for( int i = 0 ; i < tot ; ++i ) {
       LL tmp = decode( n , e[i] );
       if( tmp < 1 || tmp > n || tmp < e[i] || gcd( n , tmp ) != e[i] ) continue ;
       x[cnt++] = tmp ;
    }
    sort( x , x + cnt );
    printf("%d\n",cnt);
    for( int i = 0 ; i < cnt ; ++i ) {
        printf("%I64d",x[i]);
        if( i < cnt -1 ) printf(" ");
    }
    puts("");
}
int main ()  {
    #ifdef LOCAL
        freopen("in.txt","r",stdin);
    #endif // LOCAL
    int _ , cas =1 ;
    while( scanf("%I64d",&n) != EOF ) {
        printf("Case #%d:\n",cas++);
        solve();
    }
}