#include <bits/stdc++.h>
using namespace std;
using ll = long long int;

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif


const ll mod = 1e9 + 7;
const ll N = 1e5 + 8;


int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(NULL); 
    
    ll a, b, c;
    cin >> a >> b >> c;
    cout << a + b + c - min({a, b, c});
    return 0;
}
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)

int main(void){
    int n,s,d;
    bool ok = false;
    cin >> n >> s >> d;
    vector<int> x(n),y(n);

    rep(i,n) cin >> x[i] >> y[i];

    rep(i,n){
        if(x[i] < s && y[i] > d) ok = true;
    }

    if(ok) cout << "Yes" << endl;
    else cout << "No" << endl;
    
    return 0;
}