View Code of Problem 43

#include <iostream>
#include <string>
using namespace std;

int main()
{
	string s;
	cin >> s;
	for (int i = 0; i < s.length(); i++)
	{
		if (s[i] >= 'A'&&s[i] <= 'z')
			cout << s[i];
	}
	cout << endl;
	return 0;
}