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

int main(void)
{
 double x=_,y=_;

    printf("x = %f, y = %f\n", x, y);
    printf("X^Y = %f\n", pow(x,y));
    printf("SQRT_X = %f, SQRT_Y = %f\n", sqrt(x), sqrt(y));
    printf("EXP_X = %f, EXP_Y = %f\n", exp(x), exp(y)); 
    return 0;
}