1186A - Vus the Cossack and a Contest.cpp

#include<bits/stdc++.h>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,m,k;
    cin>>n>>m>>k;
    if(n<=m && n<=k) cout<<"Yes";
    else cout<<"No";


return 0;
}