#include <stdio.h>

int main() {
    float array[50];
    int repetitions = 0;
    float number = 0;
    char line[100];
    int valid = 1;

//tu sa halda x
    if (fgets(line, sizeof(line), stdin) != NULL) {
        if (sscanf(line, "%f", &number) == 1) {
            array[repetitions] = number;
            repetitions++;
        } else {
            printf("Nepodarilo sa nacitat zaklad x\n");
            return 0;
        }
    } else {
        printf("Nepodarilo sa nacitat x\n");
        return 0;
    }

// tu sa halda koeficient
    while (repetitions < 50) {
        if (fgets(line, sizeof(line), stdin) != NULL) {
            if (line[0] == '\n') {
                break;
            }
            if (sscanf(line, "%f", &number) == 1) {
                array[repetitions] = number;
                repetitions++;
            } else {
                printf("Nepodarilo sa nacitat polynom na %d mieste.\n", repetitions);
                return 0;
            }
        } else {
            break;
        }
    }

//pocty
    float result = array[1];
    for (int i = 2; i < repetitions; ++i) {
        result = result * array[0] + array[i];
    }

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

    return 0;
}