View Code of Problem 43

#include<iostream>
#include<vector>
#include<string>
#include <algorithm>
#include <math.h>

using namespace std;




int main() {
    string s;
    getline(cin,s);
    vector<char> v;
    for(int i=0; i<s.size(); i++){
        if((s[i]>='a' && s[i] <= 'z') || (s[i] >= 'A' && s[i] <= 'Z')){

            v.push_back(s[i]);
        }
    }
    for(int i=0; i<v.size(); i++){
        cout << v[i];
    }

    return 0;
}