View Code of Problem 50

#include<bits/stdc++.h>
using namespace std;
int main(){
	string s;
	getline(cin,s);
	int flag=0;
	for(int i=0;i<s.size();++i){
		if(s[i]<='9'&&s[i]>='0'){
			cout<<s[i];
			flag=0;
		}
		else{
			if(flag==0){
				cout<<"*";
				flag=1;
			}
		}
	}
	return 0;
}