View Code of Problem 43

#include <stdio.h>
#include <string.h>
int main()
{
	char a[100];
	int i, n;
	while(gets(a) != NULL)
	{
		n = strlen(a);
		for(i = 0; i < n; i++)
		{
		    if(a[i] >= 'A'&&a[i] <= 'Z'||a[i] >= 'a'&&a[i] <= 'z')
			{
			    printf("%c", a[i]);
			}
		}
	}
	printf("\n");
	return 0;
}