#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cassert>
#include<cmath>
#include<ctime>
#include<cstring>
#include<cctype>
#include<algorithm>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cassert>
#include<cmath>
#include<ctime>
#include<cstring>
#include<cctype>
#include<algorithm>
#include<string>
#include<sstream>
#include<vector>
#include<sstream>
#include<iomanip>

using namespace std;

int main(){
    int i,j,k,l;
    int ans=0;
    int a[101],b[101],c[101];
    for(i=1;i<=8;++i){
        cin>>a[i];
        cin>>b[i];
        c[i]=0;

    }
    for(i=8;i>=1;--i){
        if(a[i]+b[i]+ans==1){
            c[i]=1;ans=0;
        }
        if(a[i]+b[i]+ans==0){
            c[i]=0;ans=0;
        }
        if(a[i]+b[i]+ans==2){
            c[i]=0;ans=1;
        }
        if(a[i]+b[i]+ans==3){
            c[i]=1;ans=1;
        }

    }

   for(i=1;i<=8;++i){
   cout<<c[i];}
}