View Code of Problem 43

#include<stdio.h>
#include<math.h>
int main()
{
	char a[10000];
	int i;
	gets(a);
	for(i=0;a[i]!='\0';i++)
		if((a[i]>='a'&&a[i]<='z')||(a[i]>='A'&&a[i]<='Z'))
			putchar(a[i]);
}