View Code of Problem 43

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