#include <stdio.h>
#include <stdlib.h>

int main()
{
    float celsius;
    float fahrenheit;
    
    scanf("%f", &fahrenheit);
    
    celsius = 5.0/9.0 * (fahrenheit - 32.0);
    printf("%.0f degree F = %.0f degree C \n", fahrenheit, celsius);
    
    system("PAUSE");
    return 0;    
}