View Code of Problem 43

#include <stdio.h>
#include <string.h>
int main(){
  char a[100];
  gets(a);
  char b[100];
  int i,j,k=0;
  for(i=0;i<strlen(a);i++){
    if((a[i]>='a'&&a[i]<='z')||(a[i]>='A'&&a[i]<='Z')){
      b[k++]=a[i];
    }
  }
  b[k]='\0';
  puts(b);
 

return 0;
}