#include<bits/stdc++.h>
using namespace std;

int main()
{
    int i,j,k,numbr[60000],two=0,three=0,five=0,seven=0,n;
    numbr[0]=1;
    for(i=1;i<=5900;i++)
    {
        numbr[i]=min(min(2*numbr[two],3*numbr[three]),min(5*numbr[five],7*numbr[seven]));
       // cout<<numbr[i]<<endl;
        if(numbr[i]==2*numbr[two])
            two++;
        if(numbr[i]==3*numbr[three])
            three++;
        if(numbr[i]==5*numbr[five])
            five++;
        if(numbr[i]==7*numbr[seven])
            seven++;
    }
    while(cin>>n && n)
    {
        if(n%10==1 && (n%100)/10!=1)
        cout<<"The "<<n<<"st humble number is "<<numbr[n-1]<<"."<<endl;
        else if(n%10==2 && (n%100)/10 !=1)
            cout<<"The "<<n<<"nd humble number is "<<numbr[n-1]<<"."<<endl;
        else if(n%10==3 && (n%100)/10 !=1)
            cout<<"The "<<n<<"rd humble number is "<<numbr[n-1]<<"."<<endl;
        else
            cout<<"The "<<n<<"th humble number is "<<numbr[n-1]<<"."<<endl;
    }
    return 0;
}