#include <stdio.h>

double temp(double f)
{
    return( (5.0/9.0) * (f - 32.0) );
}

main()
{
    double f;
   
    f=0.0;
    while( f<=200 )
    {
         printf("%3.0f %6.1f\n",f,temp(f));
         f = f + 20.0;
    }
}