// NOTE: it is recommended to use this even if you don't understand the following code.

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

// Constraints
#define MAX_N 1000000

// Input data
int N;
int S[MAX_N];

// Additional variables
int i;

int main() {
//  Uncomment the following lines if you want to read/write from files
//  freopen("input.txt", "r", stdin);
//  freopen("output.txt", "w", stdout);

    assert(1 == scanf("%d", &N));
    for (i = 0; i < N; i++) {
        assert(1 == scanf("%d", &S[i]));
    }

    // Insert your code here

    // Print the result
    printf("%d\n", 42);

    return 0;
}