#include <stdio.h>
int main(){
int n, sign;
double x, res;
res = 0;
sign = 1;
scanf("%d %lf", &n, &x);
for (int i = 1; i <= n; i++)
{
res += (double)sign * pow(x, 2 * i - 1) / factorial(2 * i - 1);
sign = -sign; // 实现变号
}
printf("%.4f\n", res);
printf("%.4f\n", sin(x));
return 0;
}