View Compilation Error

0_0_17356052_194\Main.java:1: 错误: 需要class, interface或enum
importjava.util.*;    
^
0_0_17356052_194\Main.java:2: 错误: 需要class, interface或enum
publicclass Main {
^
0_0_17356052_194\Main.java:5: 错误: 需要class, interface或enum
while(scan.hasNextInt()){ 
^
0_0_17356052_194\Main.java:6: 错误: 需要class, interface或enum
int a=scan.nextInt(); int b=scan.nextInt(); 
                      ^
0_0_17356052_194\Main.java:7: 错误: 需要class, interface或enum
int k=a>b?a:b;  
^
0_0_17356052_194\Main.java:8: 错误: 需要class, interface或enum
for(int j=k;j<=a*b;j++){ 
^
0_0_17356052_194\Main.java:8: 错误: 需要class, interface或enum
for(int j=k;j<=a*b;j++){ 
            ^
0_0_17356052_194\Main.java:8: 错误: 需要class, interface或enum
for(int j=k;j<=a*b;j++){ 
                   ^
0_0_17356052_194\Main.java:9: 错误: 需要class, interface或enum
if(j%a==0&&j%b==0){ System.out.println(j); break;             
                                           ^
0_0_17356052_194\Main.java:10: 错误: 需要class, interface或enum
}              }         }     } 
^
10 个错误