View Code of Problem 43

#include <stdio.h>
#include <string.h>
int main(){
	char s[90];
	gets(s);
	int i,j=0;
	for(i=0;i<strlen(s);i++){
		if(s[i]>='a'&&s[i]<='z')
			s[j++]=s[i];
		else if(s[i]>='A'&&s[i]<='Z')
			s[j++]=s[i];
		else
			continue;
	}
	s[j]='\0';
	puts(s);
	return 0;
}