//ww:run-exit 6
package main;
fn main() i32 = {
	let x: i32 = 1;
	let s1: i32 = x;
	let s2: i32 = 0;
	let s3: i32 = 0;
	{
		let x: i32 = 2;
		s2 = x;
		{
			let x: i32 = 3;
			s3 = x;
		};
	};
	return s1 + s2 + s3;
};