View Code of Problem 43

  #include <stdio.h>
  #include <string.h>
int main(){
    char s[90];
    gets(s);
    for(int i=0;s[i]!='\0';i++){

        if((s[i]<='z'&&s[i]>='a')||(s[i]<='Z'&&s[i]>='A'))
        printf("%c",s[i]);
	}
	   return 0;
   }