View Code of Problem 43

#include<stdio.h>
#include<string.h>
int main()
{
	char a[91] = {0},b[91] = {0};
	int i,j;
	gets(a);
	for (i = 0,j = 0;i < strlen(a);i++)
	{
		if (a[i] >= 'a' && a[i] <= 'z' || a[i] >= 'A' && a[i] <= 'Z') b[j++] = a[i];
	}
	puts(b);
	return 0;
}