N,M=map(int,input().split())
L=list(map(int,input().split()))
backet=dict(zip(range(1,M+1),[0]*M))
for i in range(N):
    if 1<=L[i]<=M:backet[L[i]]=backet[L[i]]+1

for i in range(1,M+1):
    print(i,backet[i])