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#include<iostream>
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#include <bitset>
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using namespace std;
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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void printEr(int b) {
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cout<<bitset<sizeof(b)*2>(b)<<endl;
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int poww(int a, int b) {
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int ans = 1, base = a;
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while (b >0) {
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>b
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printEr(b);
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//<2F><><EFBFBD><EFBFBD><EFBFBD>ݵĺ<DDB5><C4BA><EFBFBD><EFBFBD>㷨
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if (b & 1) //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD> & 1 <20>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>ĩλ<C4A9><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һλ<D2BB><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>
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ans *= base;
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base *= base;
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//<2F><><EFBFBD><EFBFBD>һλ<D2BB><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>2
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b >>= 1;
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}
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return ans;
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}
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int main() {
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cout << poww(2,5);
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return 0;
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}
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