View Code of Problem 43

#include<stdio.h>
int main(){
	int i,k;char s1[10];
	k=0;
	scanf("%s",s1); 
	for(i=0;i<10;i++){
		if('a'<=s1[i]&&s1[i]<='z'||'A'<=s1[i]&&s1[i]<='Z'){
			s1[k]=s1[i];
			k++;
		}
	}
	for(i=0;i<=k;i++)
		printf("%c",s1[i]);
	return 0;
}