using namespace std;
int main()
{
//if  - while-  do while-   for loop - switch 
int x=0;

while (x++ <=9)
{
	int y=0;

	while(y++<=9)
	{

		cout<<x<<" : "<<y<<endl;
	}


}
 

int y=10;

do{
	cout<<"hello"<<endl;
	y--;
	if(y==5){
		break;
	}
}
while(y>=1);
int x=1;
//    x++   print - fix
// ++x     fix - print
//    x--    print - fix 
//   --x    fix - print
// continue   break 
int number;
while(true) 
{
cout<<"
 enter the number : ";
cin>>number;
cout<<x<<" : "<<number<<endl;

x++;

if (number == 0 )
{
	break;
}

}


}