/in/Main.java:11: error: variable a is already defined in method main(String[])
		for(int a=0;a<n;a++) {
		        ^
/in/Main.java:12: error: cannot find symbol
			a=b+c;
			    ^
  symbol:   variable c
  location: class Main
/in/Main.java:13: error: cannot find symbol
			c=c+b;
			^
  symbol:   variable c
  location: class Main
/in/Main.java:13: error: cannot find symbol
			c=c+b;
			  ^
  symbol:   variable c
  location: class Main
/in/Main.java:15: error: cannot find symbol
		System.out.println(c);
		                   ^
  symbol:   variable c
  location: class Main
5 errors