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BABBA.java
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BABBA.java
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import java.io.BufferedReader;
import java.io.InputStreamReader;
public class BABBA {
private static int[][] resultArr; // 0 -> A_Count, 1 -> B_Count
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int K = Integer.parseInt(br.readLine());
initResultArr(K);
mkResultArr();
System.out.println(resultArr[K][0] + " " + resultArr[K][1]);
}
private static void initResultArr(int length) {
resultArr = new int[length + 1][2];
}
private static void mkResultArr() {
resultArr[0][0] = 1;
resultArr[0][1] = 0;
for(int index = 1; index < resultArr.length; index++) {
int aCount = resultArr[index-1][0];
int bCount = resultArr[index-1][1];
resultArr[index][0] += bCount; // A
resultArr[index][1] += (aCount + bCount); // B
}
}
}