#include using namespace std; int main() { long double a; long double b; cin >> a >> b;

#include<iostream>
using namespace std;
int main()
{
    long double a;
    long double b;
    cin >> a >> b;
    long long x,y;
    x = (long long)a;
    y = (long long)b;
    a = a - (long double)x;
    b = b - (long double)y;
    if(a == b)
    {
        cout << "YES";
    }
    else
    {
        cout << "NO";
    }
    return 0;
}

long long x,y;
x = (long long)a;
y = (long long)b;
a = a - (long double)x;
b = b - (long double)y;
if(a == b)
{
    cout << "YES";
}
else
{
    cout << "NO";
}
return 0;

}