#include<iostream>
#include<stdio.h>
#include<string>
#include<vector>
#include<queue>
#include <cmath>
#include<algorithm>
#include<stack>
#include<map>
#include<ctime>
#define rep(i,n) for (int i=0;i<n;i++)
//#include <bits/stdc++.h>
using namespace std;

int main(){
    int H,W,N,ans=0;
    cin>>H>>W>>N;
    if (H>W) cout<<(N-1)/H+1<<endl;
    else cout<<(N-1)/W+1<<endl;

    return 0;
}
#include <bits/stdc++.h>
using namespace std;

bool f(int a, int b, int c) {
  return ( a == b && a != c ?
          true : false);
}

int main() {
  int a, b, c;
  cin >> a >> b >> c;
  cout << (f(a, b, c) || f(c, a, b) || f(b, c, a) ?
    "Yes" : "No");
}
