#include<iostream>
using namespace std;

int main(){

     int fah;
     //cin>>fah;

     //int cel = (5/9)*(fah - 32);

      //int cel = ((5)*(fah-32))/9;

      int cel = (int)((5.0/9)*(fah-32));

     //cout<<cel<<endl;

    cout<<9/5<<endl;
    cout<<9.0/5<<endl;
    cout<<4/3<<endl;
    cout<<5/9<<endl;


    return 0;
}