A plus B whole power 4

(a+b)^{4} = a^{4} +b ^{4}+4a^{3}b+6a^{2}b^{2}+4ab^{3}

Calculate (a + b)4

Formula : (a + b)4 = a4 + b4 + 4a3b + 6a2b2 + 4ab3

Input

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Output

Result {{result}}
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