#include <stdio.h>

#define MAX_COEFFS 256

int main() {
    double x;
    double coeffs[MAX_COEFFS];
    int n = 0;
    char line[256];

    if (fgets(line, sizeof(line), stdin) == NULL || sscanf(line, "%lf", &x) != 1) {
        fprintf(stderr, "Chyba: nepodarilo sa nacitat hodnotu x.\n");
        return 1;
    }

    while (fgets(line, sizeof(line), stdin) != NULL) {
        if (line[0] == '\n' || line[0] == '\r') break;

        if (sscanf(line, "%lf", &coeffs[n]) != 1) {
            fprintf(stderr, "Chyba: nepodarilo sa nacitat koeficient a[%d].\n", n);
            return 1;
        }
        n++;
    }

    if (n == 0) {
        fprintf(stderr, "Chyba: nepodarilo sa nacitat koeficient a[0].\n");
        return 1;
    }

    double result = 0.0;
    for (int i = 0; i < n; i++) {
        result = result * x + coeffs[i];
    }

    printf("Vysledok je: %.2f\n", result);
    return 0;
}