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0_0_18911774_17504.cpp:1:92: fatal error: GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/iostream>usin: Invalid argument
 #include<iostream>using namespace std;int main(){int a,b;while(cin>>a>>b) cout<<a+b<<endl;}
                                                                                            ^
compilation terminated.