19 lines
312 B
C++
19 lines
312 B
C++
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//acmp.ru 0692 binarnie_cisla.cpp 8%
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#include <stdio.h>
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#include <math.h>
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int main(){
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freopen("INPUT.TXT", "r", stdin);
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freopen("OUTPUT.TXT", "w", stdout);
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unsigned int N;
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scanf("%i", &N);
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for (int i = 0; i <= 32; i++){
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if(log2(N) == i){
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printf("YES");
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return 0;
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}
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}
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printf("NO");
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return 0;
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}
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