View Code of Problem 43

#include<stdio.h>
int main(){
	char s[90];
	gets(s);
	int i,j;
	for(i = 0; s[i] != '\0' ; i ++){
		if(!(s[i] >= 'a' && s[i] <= 'z' || s[i] >= 'A' && s[i] <= 'Z')){
			for(j = i; s[j] != '\0'; j ++){
				s[j] = s[j + 1];
			}
			i --;
		}
	}
	puts(s);
	return 0;
}