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

#define LINE_SIZE 100

int main(){

    float line[LINE_SIZE];
    int count;
    char buffer[50];
    
    for(count = 0; count < LINE_SIZE; count++){

        if(fgets(buffer, 50, stdin) == NULL || buffer[0] == '\n'){
            break;
        }

        int success = sscanf(buffer, "%f", &line[count]);

        if(success == 0 || success == EOF){
            if(count == 0){
                printf("Nepodarilo sa nacitat x.\n");
            }else{
                printf("Nepodarilo sa nacitat polynom na %d mieste.\n", count);
            }
            return 0;
        }
    }

    float result = 0;
    float x = line[0];

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

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

}