poj3041

#include<stdio.h>#include<string.h>#include<string>#include<map>#include<iostream>using namespace std;int main(){    char a[100],b[100],c[100];    map<string,string>map1;    while(gets(a)&&a[0]!='\0')    {        sscanf(a,"%s %s",&b,&c);        map1[c]=b;    }    while(gets(a)&&a[0]!='\0')    {        if(map1.find(a)==map1.end())        {            printf("eh\n");        }        else        {            cout<<map1[a]<<endl;        }    }    return 0;}