#include <stdio.h>
#include <math.h>

int main(void)
{
 float num;
 
 scanf("%f",&num);
//	Computes the sine and cosine of the number num read in.
 printf("input: \t\t\t\t %f \n",num);
 printf("sine: \t\t\t\t %f \n",sinf(num));
 printf("cosine: \t\t\t %f \n",cosf(num));
//	Determines if the number num is positive.
 if(num<0)
 {
  printf("Result is a complex number.\n");
  return 1;
 }
 printf("square root: \t\t\t %f \n",sqrt(num)); 
 
 return 0;
}