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

int main() {
    int a = 5, b = 2, c = 4;
    float x = sqrt(pow(a+b, 3)/(8*a)) + pow(5*a-7*c, 2)/(3*c+a);
    printf("x = %f", x);
    return 0;
}