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

#define LINE_SIZE 100

int horner(int coeffs[], int n, int x) {
    int result = coeffs[0];
    for (int i = 1; i < n; i++) {
        result = result * x + coeffs[i];
    }
    return result;
}

int main() {
    char line[LINE_SIZE];
    memset(line, 0, LINE_SIZE);
    
    char* r = fgets(line, LINE_SIZE, stdin);
    assert(r != NULL);
    
    char* endptr = NULL;
    int x = strtol(line, &endptr, 10);
    
    if (endptr == line) {
        fprintf(stderr, "Error: Invalid input.\n");
        exit(EXIT_FAILURE);
    }
    
    int coeffs[] = {2, 3, 4};
    int n = sizeof(coeffs) / sizeof(coeffs[0]);
    
    int result = horner(coeffs, n, x);
    
    printf("The result of the polynomial evaluation is: %d\n", result);
    
    return 0;
}