View Code of Problem 50

#include <stdio.h>
int main() {
	char a[80], b[80];
	int i, j = 0;
	gets(a);
	for (i = 0; i < strlen(a); i++) {
		if (a[i] >= '0'&&a[i] <= '9') {
			b[j] = a[i];
			putchar(b[j]);
			j++;
		}
		else if (b[j - 1] != '*') {
			b[j] = '*';
			putchar(b[j]);
			j++;
		}
	}
	printf("\n");
	return 0;
}