0_0_13143760_28814.cpp:1:2: error: invalid preprocessing directive #includeio
#includeio<stream>
^
0_0_13143760_28814.cpp: In function 'int main()':
0_0_13143760_28814.cpp:6:10: error: 'cin' was not declared in this scope
while(cin>>a>>b)
^
0_0_13143760_28814.cpp:8:6: error: 'cout' was not declared in this scope
cout << a+b << endl;
^
0_0_13143760_28814.cpp:8:21: error: 'endl' was not declared in this scope
cout << a+b << endl;
^
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