#include <stdio.h>
    int sum(int n){
        while(n>0){
            d = n%10;
           sum= sum+=d*d;
           n= n/=10;
        }
        return sum;
        int main(){
            int n;
            scanf("%d",&n);
        }
    }
    while(n!=1 &&n!=4)
    {
        n=sum(n);
    }
    if(n==1){
        printf("Happy Number");
    }
    else{
    printf("Unhappy Number");
    return 0;
    }