#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
typedef vector<int>vi;
typedef vector<ll>vl;
#define yo  "YES"
#define no  "NO"
#define el  '\n'
#define pb  push_back
#define mp  make_pair
#define F  first
#define S  second
#define sz(a) (int)a.size()
#define all(x) x.begin(),x.end()
#define rep(i,a,n) for(int i=a;i<n;i++)
#define repn(i,a,n)for(int i=a;i>=n;i--)
#define mne(a) *min_element(all(a))
#define mxe(a) *max_element(all(a))
#define qsum(a) accumulate(all(a),0ll);
#define pq  priority_queue
const int inf = 2000000000;
const ll infll = 9000000000000000000;
int i4[4] = {1,0,-1,0};
int j4[4] = {0,1,0,-1};
const int MOD=1e9+7;
const int Max=1e5+5;
const double pi=3.14159;
 
 
 
void solve(){
 ll n,m,k;cin>>n>>m>>k;cout<<max({n,m,k});
}
 
 
int32_t main(){
 
 ios_base::sync_with_stdio(0);
 cin.tie(0);
/*
 #ifndef ONLINE_JUDGE
 
 freopen("input.txt", "r", stdin);
 
 freopen("output.txt", "w", stdout);
 
 #endif // ONLINE_JUDGE
*/
   int test=1;
 
    //cin>>test;
 
   while(test--)solve();
 
   return 0;
}