View Compilation Error

0_0_31973445_17920\Main.java:4: 错误: 非法字符: '#'
#include <stdio.h>
^
0_0_31973445_17920\Main.java:4: 错误: 需要class, interface或enum
#include <stdio.h>
         ^
0_0_31973445_17920\Main.java:9: 错误: 需要class, interface或enum
	while (scanf ("%d %d",&a,&b) != EOF)
	^
0_0_31973445_17920\Main.java:12: 错误: 需要class, interface或enum
		b1 = b;
		^
0_0_31973445_17920\Main.java:13: 错误: 需要class, interface或enum
		while (b1 != 0)
		^
0_0_31973445_17920\Main.java:16: 错误: 需要class, interface或enum
			b1 = a1 % b1;
			^
0_0_31973445_17920\Main.java:17: 错误: 需要class, interface或enum
			a1 = temp;
			^
0_0_31973445_17920\Main.java:18: 错误: 需要class, interface或enum
		}
		^
0_0_31973445_17920\Main.java:20: 错误: 需要class, interface或enum
	}
	^
0_0_31973445_17920\Main.java:22: 错误: 需要class, interface或enum
}
^
10 个错误