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

#define MAXN 1000000

int guess(int N, int M, int D, int S[]) {
    // insert your code here
    return 42;
}


int S[MAXN];

int main() {
    FILE *fr, *fw;
    int N, M, D, i;

    fr = fopen("input.txt", "r");
    fw = fopen("output.txt", "w");
    assert(3 == fscanf(fr, "%d %d %d", &N, &M, &D));
    for(i=0; i<N; i++)
        assert(1 == fscanf(fr, "%d", &S[i]));

    fprintf(fw, "%d\n", guess(N, M, D, S));
    fclose(fr);
    fclose(fw);
    return 0;
}