Объяснение:
a1 = str(input())
a2 = str(input())
a3 = str(input())
if a1=="a=b":
if a2=="a>c":
print("cab")
elif a2=="a<c":
print("abc")
elif a2=="a=c":
print("abc")
elif a2=="a=c":
if a1=="a>b":
print("bac")
elif a1=="a<b":
print("acb")
elif a1=="a=b":
print("abc")
elif a3=="b=c":
if a2=="a>c":
print("cba")
elif a2=="a<c":
print("acb")
elif a2=="a=c":
print("abc")
else:
if a1=="a>b":
if a3 == "b>c":
print("cba")
elif a3== "b<c":
if a2== "a>c":
print("bca")
elif a2=="a<c":
print("bac")
elif a1=="a<b":
if a2 == "a>c":
print("cab")
elif a2=="a<c":
if a3 == "b<c":
print("abc")
elif a3 == "b>c":
print("acb")
