Input:
x^2 + y^2=1 and x^2 + y^2=4
Write:
`x^2 + y^2=1 and x^2 + y^2=4`
Output:
$${x}^{2}+{y}^{2}=1\ and\ {x}^{2}+{y}^{2}=4== {x}^{2}+{y}^{2}=1\ and\ {x}^{2}+{y}^{2}=4$$
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