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public static void main(String[] args) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s;
int i;
try {
s = br.readLine();
i = Integer.parseInt(s);
System.out.println(i);
while (i != 1) {
if (i % 2 == 0) {
i = i / 2;
System.out.println("偶"+i);
} else {
i = i * 3 + 1;
System.out.println("奇"+i);
}
}
} catch (Exception e) {
}
}
import java.util.Random;
class Test {
public static void main(String[] args) {
Random r=new Random();
int num=r.nextInt(500);
System.out.println("验证"+num);
for(;num!=1;){
if(num%2==0){
System.out.println(num+"/2="+num/2);
num/=2;
}else{
System.out.println(num+"*3+1="+(num*3+1));
num=num*3+1;
}
}
}
}