View Code of Problem 43

#include <stdio.h>
#include <string.h>
 
int main(){
  char a[90];
  gets(a);
  for (int i=0; i<strlen(a); i++){ 		
    if ('a' <= a[i] && a[i] <= 'z') 
    	printf("%c", a[i]);
    else if ('A' <= a[i] && a[i] <= 'Z') printf("%c", a[i]);
    else continue;
   }
      
}