
#include <stdio.h>
int main()
{
int F;
while(scanf("%d",&F)!=EOF)
{
printf("Celsius = %d\n",5*(F-32)/9);
}
return 0;
}
#include <stdio.h>
int main()
{
int F;
while(scanf("%d",&F)!=EOF)
{
printf("Celsius = %d\n",5*(F-32)/9);
}
return 0;
}