#include <bits/stdc++.h>

using namespace std;
#define int long long
double eps=1e-10;
int32_t main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int a,b,c;cin>>a>>b>>c;
    for(int x=1;x<=200;++x)
    {
    for(int y=1;y<=200;++y)
    {
        int u=x+y+a;
        if(u<b+c && u+b>c && u+c>b)
        {
            double h1=((b*b+u*u-c*c+0.0)/(2*u*b));
            double h2=((c*c+u*u-b*b+0.0)/(2*u*c));
            double len1=sqrt(b*b+x*x-2*b*x*h1);
            double len2=sqrt(c*c+y*y-2*c*y*h2);
            double lx=(u*b*1.0)/(b+c);
            double ly=x+(a*len1*1.0)/(len1+len2);
            if(abs(lx-ly)<eps)
            {
                puts("Yes");
                return 0;
            }
        }
    }
    }
    puts("No");
    return 0;
}