50分求调，必关(QwQ)

#include<bits/stdc++.h>
using namespace std;
string a,x; int n,m;
bool dx(string c){
	int s1=0,s2=0,s3=0;
	for(int i=0;i<c.length();i++){
		if(c[i]>='a'&&c[i]<='z') s1=1;
		if(c[i]>='A'&&c[i]<='Z') s2=1;
		if(c[i]>='0'&&c[i]<='9') s3=1;
	}
	if(s1+s2+s3>=2) return true;
	return false;
}
int dy(string a){
	int sum=0;
	for(int i=0;i<a.length();i++)
		if(a[i]=='!'||a[i]=='#'||a[i]=='@'||a[i]=='$') sum++;
	return sum;
}
int main(){
	cin>>a; n=a.length();
	for(int i=0;i<n;i++){
		if(a[i]==','){
			int r=x.length();
			if(dx(x)==true&&dy(x)>=1&&r<=12&&r>=6) cout<<x<<endl;
			x="";
		}
		else x+=a[i];
	}
}