#include <bits/stdc++.h>
#define lli long long int
#define pb push_back
#define mod 1000000007
#pragma GCC optimize ("-O3")
#define mod2 998244353
#define MAXN 1000000000
#define v32 vector<int>
#define v64 vector<lli>
#define v1024 vector <vector <int>>
#define v4096 vector <vector <lli>>
#define vt vector
#define f(x, y, z) for (lli x = y; x < z; x++)
#define fd(x, y, z) for (lli x = y; x > z; x--)
#define lb lower_bound
#define ld long double
#define m64 map<lli,lli>
#define m32 map<int,int>
#define m64it map<lli,lli>::iterator
#define m32it map<int,int>::iterator
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define ist insert
#define endl "\n"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
#define p_q priority_queue 
#define min_p_q priority_queue <int,vt <int>,greater <int>>
using namespace std;
using namespace __gnu_pbds; 

template <typename T> 
void DEBUG_ARR(vt<T> a,char c)
{
	f(i,0,a.size())cout<<a[i]<<c;
	cout<<"\n";
}

lli tmod(lli x,lli m){return (x%m+m)%m;}//USE AT YOUR OWN RISK
lli power(lli x, lli y) 
{
    lli res = 1;  
   
    while (y > 0) 
    { 
        if (y & 1) 
            res = (res*x)%mod; 
        y = y>>1; 
        x = (x*x)%mod;  
    }
    if(res<0)
       res+=mod; 
    return res; 
}
// lli fact[2000009];
// lli ncr(lli n,lli r){
//     lli ans=fact[n];
//     if(r>n)return 0;
//     ans=(ans*power(fact[n-r],mod-2))%mod;
//     ans=(ans*power(fact[r],mod-2))%mod;
//     return ans;
// }
string s;
int solve(int i,int j,int n,int bounds[][2],bool vistited[][2]){
    if(!vistited[i][j]){
        if(i==0){
            if(s[0]=='>' && j==0){
                bounds[0][0]=(1+solve(1,0,n,bounds,vistited));
            }
            else if(s[0]=='>' && j==1){
                bounds[0][1]=n;
            }
            else if(s[0]=='<' && j==0){
                bounds[0][0]=1;
            }
            else{
                bounds[0][1]=-1+solve(1,1,n,bounds,vistited);
            }
            vistited[i][j]=1;
            return bounds[i][j];
        }
        if(i==n-1){
            if(s[n-2]=='>' && j==0){
                bounds[n-1][0]=1;
            }
            else if(s[n-2]=='>' && j==1){
                bounds[n-1][1]=-1+solve(i-1,j,n,bounds,vistited);
            }
            else if(s[n-2]=='<' && j==0){
                bounds[n-1][0]=1+solve(i-1,j,n,bounds,vistited);
            }
            else{
                bounds[n-1][1]=n;
            }
            vistited[i][j]=1;
            return bounds[i][j];
        }
        if(s[i]=='>' && s[i-1]=='>'){                  //done
            if(j){
                bounds[i][j]=solve(i-1,j,n,bounds,vistited)-1;
            }
            else{
                bounds[i][j]=1+solve(i+1,j,n,bounds,vistited);
            }
        }
        else if(s[i]=='>' && s[i-1]=='<'){             //done
            if(j){
                bounds[i][j]=n;
            }
            else{
                bounds[i][j]=1+max(solve(i+1,j,n,bounds,vistited),solve(i-1,j,n,bounds,vistited));
            }
        }
        else if(s[i]=='<' && s[i-1]=='<'){            //done
            if(j){
                bounds[i][j]=-1+solve(i+1,j,n,bounds,vistited);
            }
            else{
                bounds[i][j]=1+solve(i-1,j,n,bounds,vistited);
            }
        }
        else{
            if(j){                                    //done  
                bounds[i][j]=-1+max(solve(i-1,j,n,bounds,vistited),solve(i+1,j,n,bounds,vistited));
            }
            else{
                bounds[i][j]=1;
            }
        }
        vistited[i][j]=1;
    }
    return bounds[i][j];
}
int main() 
{ 
    //fact[0]=1;
    //f(i,1,2000001)fact[i]=(i*fact[i-1])%mod;
    fastio;
    int a[3];f(i,0,3)cin>>a[i];
    sort(a,a+3);
    if(a[0]==a[1] && a[1]!=a[2]){
        cout<<"Yes\n";
    }
    else if(a[0]!=a[1] && a[1]==a[2]){
        cout<<"Yes\n";
    }
    else cout<<"No\n";
    
    return 0; 	
}



Measured memory_bytes: 256