#include <stdio.h>

#define MAX_COEFFICIENTS 100

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

int main() {
    double x, coef;
    double coefficients[MAX_COEFFICIENTS];
    int count = 0;

    if (scanf("%lf", &x) != 1) {
        printf("Nepodarilo sa nacitat zaklad x\n"); 
        return 0; 

    while (scanf("%lf", &coef) == 1) {
        coefficients[count++] = coef;
    }

    
    if (!feof(stdin)) {
        printf("Nepodarilo sa nacitat polynom na %d mieste.\n", count + 1);
        return 0;
    }

    double result = evaluatePolynomial(x, coefficients, count);
    printf("Vysledok je: %.2f\n", result);

    return 0;
}