#include <stdio.h>

#define SUCCES 0
#define ERROR 1

#define FIN "transport.in"
#define FOUT "transport.out"

#define NMAX 16000

/* Numarul de saltele si numarul de transporturi dorite */
int N, K;
/* Vectorul cu rol de stiva care retine informatia despre saltele */
int stiva[NMAX];

FILE *in, *out;

int solution;

void solve(){

}

int main(){
    in = fopen(FIN, "rt");
    out = fopen(FOUT, "wt");
    if(!in || !out) return ERROR;

    fscanf(in, "%d%d", &N, &K);
    for(int i=0; i < N; i++){
        fscanf(in, "%d", &stiva[i]);
        if(stiva[i] > solution){
            solution = stiva[i];
        }
    }

    solve();

    fprintf(out, "%d", solution);

    fclose(in);
    fclose(out);
    return SUCCES;
}