import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
int m = console.nextInt();
int n = console.nextInt();
int result = getCM(m, n);
System.out.println(result);
}
public static int getCM(int m, int n){
//write your code here......
//这里可以先判断这两个数是否都为质数,是则返回两数乘积,否则执行以下语句
int max=Math.max(m,n);
int sub=m*n;
for(int i=max; i<=sub; i++){
if(i%m==0 && i%n==0){
return i;
}
}
return 0;
}
}

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