#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>

int main () {
    char* input = (char*) calloc (100, sizeof(char));
    double x;
    char* ptr;
    int counter = 0;
    double numbers [100];
    numbers[0] = 0;
    for (int i = 0; fgets(input, 100, stdin) != NULL; i++){
        if (!strcmp("\n", input))
            break;

        for(int j = 0; input[j] != '\0' && input[j] != '\n'; j++)
            if(!isdigit(input[j]) && input[j] != '.'){
                printf("Nepodarilo sa nacitat polynom na %d mieste.\n", i);
                return 0;
            }
        if (i == 0){
            x = (double)strtod(input, &ptr);
        }
        else {
            numbers [i] = (double)strtod(input, &ptr);
        }
        counter = i;
    }
    double result = 0;
    for(int i = 1; i <= counter; i++)
        result += pow (x, i-1) * numbers [counter - i + 1];

    result = roundf((float) result * 100)/100;

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