a=int(input("Ingresar el lado a: "))
b=int(input("Ingresar el lado b: "))
c=int(input("Ingresar el lado c: "))
if (a==b) and (b==c):
print("Equilátero")
if (a!=b) and (b!=c) and (a!=c):
print("Isóceles")
if (a==b and b!=c) or (a==c and c!=b) or (b==c and c!=a):
print("Escaleno")
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