View Code of Problem 43

#include<stdio.h>
#include <string.h>
int main(){
	char a[90];
	char b[90];
	int i,j=0;
	gets(a);
	for(i=0;i<strlen(a);i++){
		if(a[i]>='a'&&a[i]<='z'||a[i]>='A'&&a[i]<='Z'){
			b[j++]=a[i];
		}
	}
    b[j]='\0';
    puts(b); 
	printf("\n");
	return 0;
}