import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.NoSuchElementException;
public class C {
int N,M;
int[] P,position;
ArrayList<Integer>[] pair;
public void solve() {
N = nextInt();
M = nextInt();
P = new int[N];
position = new int[N];
pair = new ArrayList[N];
for(int i = 0;i < N;i++){
pair[i] = new ArrayList<Integer>();
}
for(int i = 0;i < N;i++){
P[i] = nextInt() - 1;
position[P[i]] = i;
}
for(int i = 0;i < M;i++){
int a = nextInt() - 1;
int b = nextInt() - 1;
int x = position[a];
int y = position[b];
if(x > y){
int t = x;
x = y;
y = t;
}
pair[x].add(y);
}
long ans = 0;
int k = N;
for(int i = N - 1;i >= 0;i--){
for(int j = 0;j < pair[i].size();j++){
k = Math.min(k, pair[i].get(j));
}
ans += k - i;
}
out.println(ans);
}
public static void main(String[] args) {
out.flush();
new C().solve();
out.close();
}
private static final InputStream in = System.in;
private static final PrintWriter out = new PrintWriter(System.out);
private final byte[] buffer = new byte[2048];
private int p = 0;
private int buflen = 0;
private boolean hasNextByte() {
if (p < buflen)
return true;
p = 0;
try {
buflen = in.read(buffer);
} catch (IOException e) {
e.printStackTrace();
}
if (buflen <= 0)
return false;
return true;
}
public boolean hasNext() {
while (hasNextByte() && !isPrint(buffer[p])) {
p++;
}
return hasNextByte();
}
private boolean isPrint(int ch) {
if (ch >= '!' && ch <= '~')
return true;
return false;
}
private int nextByte() {
if (!hasNextByte())
return -1;
return buffer[p++];
}
public String next() {
if (!hasNext())
throw new NoSuchElementException();
StringBuilder sb = new StringBuilder();
int b = -1;
while (isPrint((b = nextByte()))) {
sb.appendCodePoint(b);
}
return sb.toString();
}
public int nextInt() {
return Integer.parseInt(next());
}
public long nextLong() {
return Long.parseLong(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
}