#include <bits/stdc++.h>
using namespace std;
int main() {
long long a, b, c, d, e;
cin >> a >> b >> c >> d >> e;
if (a==b&&b==d&&c!=a&&e!=a) {
cout << "YES";
}
else if(a==b&&b==e&&c!=a&&d!=a){
cout<<"YES";
}
else if(a==c&&c==d&&b!=a&&e!=a){
cout << "YES";
}
else if(a==c&&c==e&&d!=a&&b!=a){
cout<<"YES";
}
else if(a==d&&d==e&&b!=a&&c!=a){
cout<<"YES";
}
else if(b==c&&c==d&&a!=b&&e!=b){
cout<<"YES";
}
else if(b==c&&c==e&&a!=b&&d!=b){
cout<<"YES";
}
else if(b==d&&d==e&&c!=b&&a!=b){
cout<<"YES";
}
else if(c==d&&d==e&&a!=c&&b!=c){
cout<<"YES";
}
else if(a==b&&b==c&&d!=a&&e!=a){
cout<<"YES";
}
else{
cout<<"NO";
}
return 0;
}
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