View Compilation Error

0_0_36432892_27917\Main.java:1: 错误: 非法字符: '#'
#include<bits/stdc++.h>
^
0_0_36432892_27917\Main.java:1: 错误: 需要class, interface或enum
#include<bits/stdc++.h>
        ^
0_0_36432892_27917\Main.java:4: 错误: 需要class, interface或enum
int main() {
^
0_0_36432892_27917\Main.java:6: 错误: 需要class, interface或enum
    while(cin >> n >> m) {
    ^
0_0_36432892_27917\Main.java:9: 错误: 需要class, interface或enum
        if(__gcd(n, m) == 1)
        ^
0_0_36432892_27917\Main.java:11: 错误: 需要class, interface或enum
        else 
        ^
0_0_36432892_27917\Main.java:13: 错误: 需要class, interface或enum
    }
    ^
0_0_36432892_27917\Main.java:15: 错误: 需要class, interface或enum
}
^
8 个错误