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io ::= nms { #include "io.toc"; }; n ::= nms { x := 1; counter ::= fn() int { x += 1; x }; }; main ::= fn() { a := n.counter(); b := n.counter(); n.counter(); c := n.counter(); io.puts("Hello!"); io.puti(a); io.puti(b); io.puti(c); };