#include <stdio.h>
#include <stdlib.h>

#define MAX_COEFFICIENTS 100

double evaluate_polynomial(double x, double coefficients[], int degree) {
    double result = coefficients[degree];
    for (int i = degree - 1; i >= 0; i--) {
        result = result * x + coefficients[i];
    }
    return result;
}

int main() {
    double x;
    if (scanf("%lf", &x) != 1) {
        printf("Chyba: Neplatná hodnota x.\n");
        return 1;
    }
    double coefficients[] = {57.0};
    int degree = 1; 

    double result = evaluate_polynomial(x, coefficients, degree - 1);
    printf("Vysledok je: %.2f\n", result);

    return 0;
}