View Code of Problem 43

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