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

int main () {
    char* input = (char*) calloc (100, sizeof(char));
    int x;
    char* ptr;
    int counter = 0;
    int numbers [100];
    for (int i = 0; fgets(input, 100, stdin) != NULL; i++){
        if (!strcmp("\n", input)) {
            counter = i;
            break;
        }
        if (i == 0){
            x = (int)strtol(input, &ptr, 10);
        }
        else {
            numbers [i] = (int)strtol(input, &ptr, 10);
        }
        counter = i;
    }
    int result = 0;
    while (counter > 0){
        result += (int)pow (x, counter -1) * numbers [counter];
        counter--;
    }
    printf ("Vysledok je: ");
    printf ("%d\n", result);
    free(input);
    return 0;
}