pg 151 ex9

#include<iostream>

using namespace std;

int sub (int n)

{
    int d=2, p=0,produs=1;
    while(n>1)
    {
        p=0;
        while(n%d==0)
        {
            p++;
            n=n/d;
        }
        if(p) produs=produs*d;
        d++;
    }
    return produs;
}

int main ()
{
    int a,b,c;
    cin>>a>>b>>c;
    if( sub(a)==sub(b)&&sub(b)==sub(c))
        cout<<"DA";
    else
        cout<<"NU";
}