View Code of Problem 43

#include<bits/stdc++.h>
using namespace std;
int main() {
	string s;
	cin>>s;
	int len=s.length();
	for(int i=0;i<len;i++){
		if((s[i]>='a'&&s[i]<='z')||(s[i]>='A'&&s[i]<='Z')){
			cout<<s[i];
		}
	}
	
	return 0;
}