/in/Main.java:1: error: illegal character: '#'
#include<iostream>
^
/in/Main.java:1: error: class, interface, or enum expected
#include<iostream>
        ^
/in/Main.java:3: error: class, interface, or enum expected
int main()
^
/in/Main.java:6: error: class, interface, or enum expected
    int a,i=1;
    ^
/in/Main.java:7: error: class, interface, or enum expected
    cin>>a;
    ^
/in/Main.java:8: error: class, interface, or enum expected
    while(an<=a)
    ^
/in/Main.java:11: error: class, interface, or enum expected
        i++;
        ^
/in/Main.java:12: error: class, interface, or enum expected
    }
    ^
/in/Main.java:14: error: class, interface, or enum expected
    return 0;
    ^
/in/Main.java:15: error: class, interface, or enum expected
}
^
10 errors