View Code of Problem 43

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