> #include<iostream>
> #include<map>
> using namespace std;
> #include<string>
> map<string,string>mp;
> int main()
> {
> 	char a[30],b[15],c[15];
> 	while(gets(a)&&a[0]!='\0')
> 	{
> 		sscanf(a,"%s %s",&b,&c);
> 		mp[c]=b;
> 	}
> 	char s[15];
> 	while(gets(s)&&s[0]!='\0')
> 	{
> 		if(mp[s][0]=='\0')cout<<"eh\n";
> 		else cout<<mp[s]<<endl;
> 	}
> 	return 0;
> 
> }
好水啊