- #include <iostream> 
- using namespace std; 
-   
- int main() { 
- 	int n,k,st=0; bool wd=false; 
- 	cin>>n; n=n*3; 
- 	int t[n]; 
- 	for (int i = 0; i<n; i++){ 
- 		cin>>t[i]; 
- 		if ((t[i]<0)||(cin.peek()=='\n')) {wd=true; break;} 
- 		else {if (i<=n) {st+=t[i];}} 
- 		k+=1;  
- 	} 
- 	if ((wd==false)&&(k==n)) {cout<<"Общее время обработки всех деталей = "<<st;} 
- 	else {cout<<"Ошибка";} 
- } 
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