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

#define LINE_SIZE 100

int main(){
    char line[LINE_SIZE];
    float x;
    float coefficients[50];
    int count = 0;

    if(fgets(line, LINE_SIZE, stdin) == NULL){
      printf("Chyba: Nepodarilo sa nacitat hodnotu x.\n");
      return 1;
    }
    x = strtof(line, NULL);

   while (fgets(line, LINE_SIZE, stdin) != NULL){
      if (strlen(line) == 1)
         break;
      float coef = strtof(line, NULL);
      coefficients[count++] = coef;
   }

    if(count == 0){
      printf("Chyba: Nepodarilo sa nacitat koeficienty.\n");
      return 1;
    }

    float result = coefficients[0];
    for (int i = 1; i < count; i++){
        result = result * x + coefficients[i];
    }

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