Contest1340/F.cpp

#include<bits/stdc++.h>
using namespace std;
void to2(int n){
    string s="00000000";
    int t=7;
    while(n){
        s[t--]='0'+n%2;
        n/=2;
    }
    cout<<s;
}
int main(){
    string s;
    //freopen("1.txt","r",stdin);
    while(cin>>s){
        if(s.find('.')<s.size()){
             int a[4];
             sscanf(s.c_str(),"%d.%d.%d.%d",&a[0],&a[1],&a[2],&a[3]);
             for(int i=0;i<4;i++)
                 to2(a[i]);
        }
        else{
             int k[8]={128,64,32,16,8,4,2,1},sum=0,t=0,flag=1;
             for(int i=0;i<s.size();i++){
                 sum=sum+(s[i]-'0')*k[t++];
                 if(t==8){
                    t=0;
                    flag?cout<<sum:cout<<"."<<sum;
                    flag=0;
                    sum=0;
                 }
             }
        }
        cout<<endl;
    }
}