3221225477

#include<bits/stdc++.h>
using namespace std;
typedef unsigned int ui;
int main(){
	ios::sync_with_stdio(0);
 	freopen("in.txt", "r", stdin);
	freopen("out.txt", "w", stdout);
	ui n;
	cin>>n;
	string s[50];
	bool clear[50]={};
	for(int i=0;i<n;i++)
	{
		cin>>s[i];
	}
	for(int i=0;i<n;i++)
	{
		for(int j=0;j<s[i].length();j++)
		{
			if((s[i][j]!='_')||((s[i][j]<'A')||(s[j][0]>'Z'))&&((s[i][j]<'a')||(s[j][0]>'z')))
			{
				clear[i]=1;
			}
			cout<<s[i][j]<<' '<<clear[i]<<endl;
		}
	}
	for(int i=0;i<n;i++)
	{
		if(!clear[i])
		{
			cout<<"Yes!\n";
		}
		else
		{
			cout<<"No!\n";
		}
	}
	fclose(stdin);
	fclose(stdout);
	return 0;
}

in.txt
out.txt