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package programmers;

public class prob12980 {

public static int solution(int n) {

return Integer.bitCount(n);

}

// 또는 짝수일 때 /=2, 홀수일 때 -=1로도 가능

public static void main(String[] args) {

int[] testCases = { 5, 6, 5000 };

for (int i : testCases) {

System.out.println(solution(i));

}

// 2

// 2

// 5

}

}