View Code of Problem 445

#include<iostream>
#include<string>
#include<cmath>
#include<cstring>
#include<iomanip>
#include<cstdio>
#include<algorithm>
#include<ctype.h>
using namespace std;
int main()
{
	int n;
	string s;
	while (cin >> n)
	{
		getchar();
		getline(cin, s);
		int len = s.size();
		for (int i = 0;i < len;i++)
		{
			if (isalpha(s[i]))
			{
				cout << s[i];
			}
		}
		cout << endl;
	}
}