For_loops.cpp

#include<iostream>
using namespace std;

int main()
{
    int a,b;
    cin >> a >> b;
 
 for(int n = a; n <= b; n++)
   {
     if(n == 1)
         cout << "one";
     else if(n == 2)
        cout << "two";
     else if(n == 3)
         cout << "three";
     else if(n == 4)
        cout << "four";
     else if(n == 5)
        cout << "five";
     else if(n == 6)
        cout << "six";
      else if(n == 7)
        cout << "seven";
      else if(n == 8)
        cout << "eight";
     else if(n == 9)
         cout << "nine";
     else if(n&1) //bitwise and
        cout << "odd";
     else 
        cout << "even";
        
     cout << "\n";
   }

    return 0;
}