#include <bits/stdc++.h>
using namespace std;
int main(){
map<string,int >mp;
mp["abc"]=1;
cout<<"abc"<<" "<<mp["abc"]<<"\n";
mp["114514"]=2;
cout<<mp["abc"]+mp["114514"]<<"\n";
if(mp.count("abc")>=1)cout<<"yes";
else cout<<"no";//有
}
/*输出
abc 1
3
yes
*/