View Compilation Error

0_0_27758455_27932\Main.java:1: 错误: 非法字符: '#'
#include"stdio.h"
^
0_0_27758455_27932\Main.java:1: 错误: 需要class, interface或enum
#include"stdio.h"
        ^
0_0_27758455_27932\Main.java:5: 错误: 需要class, interface或enum
    while(scanf("%d%d",&n,&m)!=EOF)
    ^
0_0_27758455_27932\Main.java:7: 错误: 需要class, interface或enum
    return
    ^
4 个错误