0_0_31546120_12068.cpp:1:1: error: 'package' does not name a type
package syan;
^
0_0_31546120_12068.cpp:2:1: error: 'import' does not name a type
import java.util.Scanner;
^
0_0_31546120_12068.cpp:3:1: error: expected unqualified-id before 'public'
public class Chengji {
^
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