#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main(){inti,c;double x;long double result=0;int n=scanf("%lF",&x);if(n!=1){printf("Nepodarilo sa nacitat x\n");return 0;}long double *array;array=(long double*) malloc(10000);for(i=0,c=1;i<c;i++,c++){int b = scanf("%Lf",&array[i]);if(b==EOF || b!=1){break;}}for(int j=0 ;i>0; i--,j++){result+=(long double)(array[j]*pow(x,i-1));}	if(result>40000 && result!=(long long )(result)){result-=0.01;}printf("Vysledok je :%.2Lf\n",result);free(array);return 0;}