Red Huang

double spherical_distance(double lat1,double lon1,double lat2,double lon2) {  
  
double dlon = lon2 - lon1;  
double dlat = lat2 - lat1;  
double a = pow((sin(dlat/2)),2) + cos(lat1) * cos(lat2) * pow(sin(dlon/2), 2);  
double c = 2 * atan2(sqrt(a), sqrt(1-a));  
double d = r * c;  
  
return d;  
}

//====================================================================||  
//                                                                    ||  
//                                                                    ||  
//                         Author : GCA                               ||  
//                  6AE7EE02212D47DAD26C32C0FE829006                  ||  
//====================================================================||  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <string>  
#include <cmath>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
using namespace std;  
#ifdef ONLINE_JUDGE  
#define ll "%lld"  
#else  
#define ll "%I64d"  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
#define Set(a,s) memset(a,s,sizeof(a))  
#define Write(w) freopen(w,"w",stdout)  
#define Read(r) freopen(r,"r",stdin)  
#define Pln() printf("\\n")  
#define I_de(x,n)for(int i=0;i<n;i++)printf("%d ",x[i]);Pln()  
#define De(x)printf(#x"%d\\n",x)  
#define For(i,x)for(int i=0;i<x;i++)  
#define CON(x,y) x##y  
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\  
    printf("%d ",dp[htx][hty]);}Pln();}  
#define M 55  
#define PII pair<int,int>  
#define PB push_back  
#define oo INT_MAX  
#define Set_oo 0x3f  
#define Is_debug true  
#define debug(...) if(Is_debug)printf("DEBUG: "),printf(__VA_ARGS__)  
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)  
#define eps 1e-6  
bool xdy(double x,double y){return x>y+eps;}  
bool xddy(double x,double y){return x>y-eps;}  
bool xcy(double x,double y){return x<y-eps;}  
bool xcdy(double x,double y){return x<y+eps;}  
int min3(int x,int y,int z){  
    int tmp=min(x,y);  
    return min(tmp,z);  
}  
int max3(int x,int y,int z){  
    int tmp=max(x,y);  
    return max(tmp,z);  
}  
double r=6378;  
double pi=3.141592653589793;  
map<string,pair<double,double> > sid;  
double cal(string a,string b){  
    double alat=sid[a].first;  
    double alon=sid[a].second;  
    double blat=sid[b].first;  
    double blon=sid[b].second;  
    double dlon=blon-alon;  
    double dlat=blat-alat;  
    double ans=pow(sin(dlat/2),2)+cos(alat)*cos(blat)*pow(sin(dlon/2),2);  
    double cc=2*atan2(sqrt(ans),sqrt(1-ans));  
    return r*cc;  
    //return r*acos(sin(alat)*sin(blat)+cos(alat)*cos(blat)*cos(blon-alon));  
}  
int main() {  
    ios_base::sync_with_stdio(0);  
  
        char str[1000],str2[1000];  
        double x,y;  
        for(;scanf("%s",str);){  
            if(!strcmp(str,"#"))break;  
            scanf("%lf%lf",&x,&y);  
//            if(x<0)x+=90;  
//            if(y<0)y+=180;  
            sid[str].first=x*pi/180;  
            sid[str].second=y*pi/180;  
        }  
        for(;scanf("%s %s",str,str2)==2;){  
            if(!strcmp(str,"#"))break;  
            if(!sid.count(str)||!sid.count(str2)){  
                printf("%s - %s\\nUnknown\\n",str,str2);  
            }else  
                printf("%s - %s\\n%.0f km\\n",str,str2,cal(str,str2));  
        }  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}