View Code of Problem 43

#include<iostream>
#include<iomanip>
#include<string>
#include<algorithm>
#include<math.h>
using namespace std;
int main(){
  char a[10001];
  scanf("%s",a);
  for(int i=0;a[i]!='\0';i++){
    if(a[i]>='a'&&a[i]<='z'){
      printf("%s",a[i]);
    }
    else if(a[i]>='A'&&a[i]<='Z'){
      printf("%s",a[i]);
    }
  }
  return 0;
}