#include
#include
#include
#include
using namespace std;
int main()
{
bool result;
string s("abcde");
string s2("aeiou");
vector vector1(s.begin(), s.end());
vector vector2(s2.begin(), s2.end());
vector setDifference;
set_symmetric_difference(vector1.begin(),vector1.end(),vector2.begin(), vector2.end(),back_inserter(setDifference));
for(int i=0;i cout << setDifference[i];
}
return 0;
}
/*
bcdiou
*/