View Code of Problem 43

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

}