#include<iostream.h>

void tobinary(int num){

      int rem;

      if(num!=0){

            rem=num%2;

            tobinary(num/2);

            cout<<rem;}//IF

}//TOBINARY

void main(){

      int num;

      cout<<"ENTER A DECIMAL NUMBER: ";

      cin>>num;

      cout<<"THE BINARY NUMBER IS: ";

      tobinary(num);

}//MAIN