View Compilation Error

0_0_24692263_32218.cpp:1:191: 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 n,i,s,j; j=0; while(cin>>n && n>0) {  s=0;  while(n--)  {   cin>>i;   s+=i;  }  j++;  cout<<"Sum of #"<<j<<" is "<<s<<endl; } return 0;}
                                                                                                                                                                                               ^
compilation terminated.