View Code of Problem 43

#include <stdio.h>
int main(){
	
  char s[90];
  int i;
  for(i=0;i<90;i++){
  	s[i] = getchar();
    	if(s[i] == '\x0d')
          break;
  
  }
  int k,j;
  for(k=j=0;s[k];k++)
    if((s[k]>'a' && s[k] <'z')||(s[k] >'A' && s[k]<'Z'))
      s[j++] = s[k];
    s[j] = '\0';
  puts(s);
	return 0;

}