View Compilation Error

0_0_27466574_4603\Main.java:1: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_27466574_4603\Main.java:1: 错误: 需要class, interface或enum
#include <stdio.h>
         ^
0_0_27466574_4603\Main.java:2: 错误: 非法字符: '#'
#include <math.h>
^
0_0_27466574_4603\Main.java:5: 错误: 需要class, interface或enum
    while(scanf("%d%d",&n,&m),(n!=0)||(m!=0)){
    ^
0_0_27466574_4603\Main.java:7: 错误: 需要class, interface或enum
        printf(((int) x==x)?"Yes\n":"No\n");
        ^
0_0_27466574_4603\Main.java:8: 错误: 需要class, interface或enum
    }
    ^
0_0_27466574_4603\Main.java:10: 错误: 需要class, interface或enum
}
^
7 个错误