n=input()
k=input()
xy=[map(int,raw_input().split())for i in[k]*k]
a=map(int,raw_input().split())
b=range(1,n+1)
for i in xy:
	x=i[0]-1
	y=i[1]-1
	b[x],b[y]=b[y],b[x]
#print b
t=[]
for i in range(n):
	for j in range(n-1,i,-1):
		if b[j]==a[i]:
			b[j],b[j-1]=b[j-1],b[j]
			t+=[[j,j+1]]
print a,b,a==b
print len(t)
for i in t[::-1]:
	print i[0],i[1]