View Compilation Error

0_0_6782210_15338\Main.java:1: class, interface, or enum expected
main()
^
0_0_6782210_15338\Main.java:4: class, interface, or enum expected
	while(scanf("%d",&n)==1){
	^
0_0_6782210_15338\Main.java:6: class, interface, or enum expected
		while(n>1){
		^
0_0_6782210_15338\Main.java:8: class, interface, or enum expected
			n--;
			^
0_0_6782210_15338\Main.java:9: class, interface, or enum expected
		}
		^
0_0_6782210_15338\Main.java:11: class, interface, or enum expected
	}
	^
0_0_6782210_15338\Main.java:13: class, interface, or enum expected
}
^
7 errors