#include<iostream>
using namespace std;

void mani()
{
       setlocale(LC_ALL, "Russian");
       cout <<"Привет Мир!!!"  << endl;
}

I want to write Cyrillic in console, but this way don't work, i don't know why. I tried: setlocale(0, "") , setlocale(LC_ALL, "Ru-ru"). All don't work.