enes = "55*600"
x1 = enes.split("+")
x2 = enes.split("-")
x3 = enes.split("/")
x4 = enes.split("*")
if len(x1)>1:
print (int(x1[0]) + int(x1[1]))
if len(x2)>1:
print (int(x2[0]) - int(x2[1]))
if len(x3)>1:
print (int(x3[0]) / int(x3[1]))
if len(x4)>1:
print (int(x4[0]) * int(x4[1]))
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