#include
int main()
{
int x, y;
scanf("%d \n", &x);
if(x < 0)
y = -1;
else if(x == 0)
y = 0;
else
y = 1;
printf("y = %d \n", y);
}
#include
int main()
{
float x;
scanf("%f", &x);
if(x<0)
printf("-1");
else if(x==0)
printf("0");
else
printf("1");
return 0;
}