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import java.math.BigInteger;
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class Solution {
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  public int superPow(int a, int[] b) {
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    StringBuilder bigNum = new StringBuilder();
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    Arrays.stream(b).forEach(i -> bigNum.append(i));
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    return BigInteger.valueOf(a)
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        .modPow(new BigInteger(bigNum.toString()), BigInteger.valueOf(1337))
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        .intValue();
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  }
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}