View Code of Problem 43

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