View Code of Problem 50

#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<cstring>
#include<iostream>
using namespace std;
int main(){
     char a[100],b[100];
     gets(a);
     int len=strlen(a);
     int j;
     for(int i=0;i<len;i++){
     	j=0;
     	if(a[i]>='0'&&a[i]<='9'){
     		b[j++]=a[i];
		 }else{
		 	while(a[i]<'0'||a[i]>'9')
		 	i++;
		 	printf("*");
		 	i--;
		 }
		 b[j]='\0';
	   printf("%s",b);
	 }
	 

	return 0;
}