How is this unsigned short so big?

[tempneff]

I am just testing some ideas for a program I need to make for school.
I am wondering why I am able to output a number bigger than the 65553 that an unsigned short is limited to.
for example: If I input 65535
the output is 131070



shouldn't it not work at all for that value??

#include <iostream>
#include <fstream>
#include <sstream>
int main(int argc, char** argv)
{
    using namespace std;

    unsigned short i, b;
    string s;
    stringstream out, in;

       cin>>i;
       out<<i;
       s=out.str();
       in<<s;
       in>>b;
       cout<<b*2;

  return 0;
}

[Peter87]

b*2 will give you an int which is big enough to hold the value 131070.

[LB]

Yeah, implicit widening casts can jump out at you from nowhere. Cast it back to a short:
cout << short(b*2);

[tempneff]

Thanks so much, that was it.