#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define f first
#define s second
#define Time (double)clock()/CLOCKS_PER_SEC
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    #define endl '\n'
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int a, b, c;
    cin >> a >> b >> c;

    if (min(a,b) <= c && c <= max(a,b))
        cout << "Yes" << endl;
    else
        cout << "No" << endl;

}
#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b,c;
cin>>a>>b>>c;
if(a%b ==0){
cout<<(a/b)*c<<endl;}
else{
    cout<<((a/b)+1)*c<<endl;
}
return 0;
}