samero8f- tle.. please help

[findsaumyahere]

m getting time limit exceeded in my code
its just too short i mean 20 lines!!
so why tdl!!
please help

here z my code

include

using namespace std;

int magicSquare( int number)
{
if( number == 1){
return 1;
}
return ( number*number + magicSquare( number-1 ));
}

int main()
{
int number;

do{
	cin >> number;
	cout << magicSquare( number) << endl;
}while( number != 0);

return 0;

}