View Code of Problem 43

#include<stdio.h>
#include<string.h>
int main(){
	int i;
	char s[90];
		gets(s);
	for(i=0;i<=strlen(s)-1;i++){
		if(s[i]>='a'&&s[i]<='z')
		printf("%c",s[i]);
	}
	return 0;
}