0_0_22634504_3609.cpp: In function 'int main()':
0_0_22634504_3609.cpp:8:7: error: 'cin' was not declared in this scope
while(cin>>a>>b)
^
0_0_22634504_3609.cpp:10:1: error: 'cout' was not declared in this scope
cout<<a+b<<endl;
^
0_0_22634504_3609.cpp:10:12: error: 'endl' was not declared in this scope
cout<<a+b<<endl;
^
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