View Compilation Error

0_0_39711233_24064\Main.java:1: 错误: 非法字符: '#'
#include<iostream>  
^
0_0_39711233_24064\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>  
        ^
0_0_39711233_24064\Main.java:3: 错误: 需要class, interface或enum
int n;  
^
0_0_39711233_24064\Main.java:4: 错误: 需要class, interface或enum
long long a[20] = {0,2,7,5,30,169,441,1872,7632,1740,93313,459901,1358657,2504881,0};  
^
0_0_39711233_24064\Main.java:5: 错误: 需要class, interface或enum
int main()  
^
0_0_39711233_24064\Main.java:9: 错误: 需要class, interface或enum
    }  
    ^
0_0_39711233_24064\Main.java:11: 错误: 需要class, interface或enum
}
^
7 个错误