C++ :

#include <iostream>
#include<cstdio>
using namespace std;

long long  a,b,c,d;       

int main()
{
  	cin >>a >>b>>c;
    if (a%c==0 && b%c==0) 
		cout<<"yes"<<endl;
	else
		cout<<"no"<<endl;    
	return 0;
}