#include<bits/stdc++.h> 
using namespace std;
int main()
{
long long i,a,c,d;
char b[1000][1000];
cin>>a;
for(i=1;i<=a;i++)
{
cin>>b[i];
if(b[i]=="Against")c++;
if(b[i]=="For")d++;
}
if(c>d)cout<<"No\n";
else cout<<"Yes\n";
}