f = open('input.txt', 'r')
n, m = f.readline().split();
n = int(n);
m = int(m)
a = f.readline().split()
A = dict();
for i in range(n):
    a[i] = [int(a[i]), i]
    A[a[i][0]] = A.get(a[i][0],[])
    A[a[i][0]].append(a[i][1]);
QSort(0, len(a)-1);