#include <stdio.h>
#include <math.h>
#define K 22.5
#define L 7.5

int main(){
    double a,b,x,y;
    printf("Please type your x value:");
    scanf("%f",&x);
    a=pow(pow(K,-1/2)-(L*pow(x+2.84,1/2)),2);
    b=(-log10(x)+exp(x));
    if(a>b){
        y=(4*a+3*b)/(pow(a,2)+pow(b,2));
        printf("Your x:%f\nYour y:%f",x,y);
        getch();
    }else if(a<=b){
        y=fabs(a-b);
        printf("Your x:%f\nYour y:%f",x,y);
        getch();
    }else{
        printf("Error");
        getch();
    }
    return 0;
}