/* -*- coding: utf-8 -*-
 *
 * 2100.cc:  No.2100 [Cherry Alpha C] Two-way Steps - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_N = 100000;
const int MAX_GN = MAX_N * 2;
const int INF = 1 << 30;
const long long LINF = 1LL << 60;

enum { UP, DOWN };

/* typedef */

typedef long long ll;
typedef vector<int> vi;
typedef queue<int> qi;
typedef pair<int,int> pii;

/* global variables */

int hs[MAX_N];
vi nbrs[MAX_N], rnbrs[MAX_N];
ll dp[MAX_N][2];

/* subroutines */

inline void setmax(ll &a, ll b) { if (a < b) a = b; }

/* main */

int main() {
  int n, m;
  scanf("%d%d", &n, &m);

  for (int i = 0; i < n; i++) scanf("%d", hs + i);

  for (int i = 0; i < m; i++) {
    int u, v;
    scanf("%d%d", &u, &v);
    u--, v--;
    nbrs[u].push_back(v);
    rnbrs[v].push_back(u);
  }

  for (int u = 0; u < n; u++) dp[u][UP] = dp[u][DOWN] = -1;
  dp[0][UP] = dp[0][DOWN] = 0;

  for (int u = 0; u < n; u++) {
    if (dp[u][UP] >= 0)
      for (auto v: nbrs[u])
	if (hs[u] > hs[v])
	  setmax(dp[v][DOWN], dp[u][UP]);
    if (dp[u][DOWN] >= 0)
      for (auto v: nbrs[u]) {
	if (hs[u] < hs[v])
	  setmax(dp[v][UP], dp[u][DOWN] + hs[v] - hs[u]);
	else
	  setmax(dp[v][DOWN], dp[u][DOWN]);
      }
  }
  ll d0 = max(dp[n - 1][UP], dp[n - 1][DOWN]);

  for (int u = 0; u < n; u++) dp[u][UP] = dp[u][DOWN] = -1;
  dp[n - 1][UP] = dp[n - 1][DOWN] = 0;

  for (int u = n - 1; u >= 0; u--) {
    if (dp[u][UP] >= 0)
      for (auto v: rnbrs[u])
	if (hs[u] > hs[v])
	  setmax(dp[v][DOWN], dp[u][UP]);
    if (dp[u][DOWN] >= 0)
      for (auto v: rnbrs[u]) {
	if (hs[u] < hs[v])
	  setmax(dp[v][UP], dp[u][DOWN] + hs[v] - hs[u]);
	else
	  setmax(dp[v][DOWN], dp[u][DOWN]);
      }
  }
  ll d1 = max(dp[0][UP], dp[0][DOWN]);

  printf("%lld\n%lld\n", d0, d1);

  return 0;
}