View Code of Problem 43

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