View Code of Problem 43

#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cstring>
#include<iostream>
using namespace std;
int main(){
    char s[100];
    cin>>s;
    int len=strlen(s);
    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;
}