n = eval(input());
a = input().split(" ")
b = input().split(" ")
for i in range(n):
if a[i].isnumeric():
a[i] = eval(a[i])
if b[i].isnumeric():
b[i] = eval(b[i])
variables = {}
flag = True;
for i in range(n):
if a[i]!=b[i] and type(a[i])==str and type(b[i])==str:
if a[i] in variables.keys() and b[i] in variables.keys():
if(variables[a[i]]!=variables[b[i]]):
flag = False
break
elif a[i] in variables.keys():
variables[b[i]] = variables[a[i]]
elif b[i] in variables.keys():
variables[a[i]] = variables[b[i]]
elif a[i]!=b[i] and type(a[i])==str:
if a[i] in variables.keys():
if(variables[a[i]]!=b[i]):
flag = False
break
else:
variables[a[i]] = b[i]
elif a[i]!=b[i] and type(b[i])==str:
if b[i] in variables.keys():
if(variables[b[i]]!=a[i]):
flag = False
break
else:
variables[b[i]] = a[i]
if flag:
for i in range(n):
if a[i]!=b[i] and type(a[i])==str and type(b[i])==str:
if a[i] in variables.keys() and b[i] in variables.keys():
if(variables[a[i]]!=variables[b[i]]):
flag = False
break
elif a[i] in variables.keys():
variables[b[i]] = variables[a[i]]
elif b[i] in variables.keys():
variables[a[i]] = variables[b[i]]
elif a[i]!=b[i] and type(a[i])==str:
if a[i] in variables.keys():
if(variables[a[i]]!=b[i]):
flag = False
break
else:
variables[a[i]] = b[i]
elif a[i]!=b[i] and type(b[i])==str:
if b[i] in variables.keys():
if(variables[b[i]]!=a[i]):
flag = False
break
else:
variables[b[i]] = a[i]
if flag:
print("DA")
else:
print("NE")
