View Code of Problem 43

#include <stdio.h>
#include <math.h>
int main()
{
	char a[100];
	scanf("%s",a);
	for(int i=0;a[i]!='\0';i++){
		if(a[i]>='a'&&a[i]<='z'){
			printf("%c",a[i]);
		}
		else if(a[i]>='A'&&a[i]<='Z'){
			printf("%c",a[i]);
		}
	}
	printf("\n");
	return 0;
}