View Code of Problem 43

#include<stdio.h>
#include<string.h>
void main(){
	char str[90];
	int i=0;
	scanf("%s",str);
	while(str[i]!='\0'){
		if((str[i]>='a'&&str[i]<='z')||(str[i]>='A'&&str[i]<='Z'))
		printf("%c",str[i]); 
		i++;
	}
}