package zhidao;
import java.util.Scanner;
public class words {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
for(int i = 1; i < num; i++) {
for(int j = 1; j <= i; j++) {
System.out.print(j);
}
System.out.println();
}
}
}
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