// 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 MAXN 300005

// input data
int N;
int S[MAXN];

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

    // insert your code here

    printf("%d\n", 42); // print the result
    return 0;
}