c++删除容器中的奇数

#include <iostream>
#include <list>
using namespace std;
int main()
{
    int ia[] = {0,1,1,2,3,5,8,13,21,55,89};
    list<int> ilist(ia, ia+11);
    list<int>::iterator beg = ilist.begin();
    for(;beg!=ilist.end();)
    {
        cout << *beg << " " << *beg % 2 << endl;
        if(1 == (*beg % 2))
            beg = ilist.erase(beg);
        else
            ++beg;
    }
    for(beg=ilist.begin(); beg!=ilist.end(); beg++)
        cout << "UU:" << *beg << endl;
    cout << ilist.size() << endl;
}