- #include<iostream> 
- #include<vector> 
- using namespace std; 
-  int main() 
-  { 
-  	int n; 
-  	vector<int> m;  
- 	int k=0; 
-  	while(cin>>n) 
-  	{ 
-  		m.push_back(n); 
-  		k++; 
-  	}	 
-  	int p=k/3; 
-  	for(int j=0;j<p;j++) 
-  		{	 
-  			int a=0; 
-  			for(int i=0;i<3;i++) 
-  				{ 
-  					if(m[i]==1)a++; 
-  				} 
-  			m.erase(m.begin(),m.begin()+3); 
-  			if(a==0||a==1) cout<<"0"; 
-  			if(a==2||a==3) cout<<"1"; 
-  		} 
-  	return 0; 
-  } 
-   
-   
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