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  1. import java.lang.*;
  2. import java.io.*;
  3. import java.util.*;
  4.  
  5. class Main {
  6.  
  7. 	public static void main(String[] args) throws java.lang.Exception {
  8. 		Scanner s = new Scanner(System.in);
  9.  
  10. 		String c, var;
  11. 		int flag = 0;
  12. 		int pl = 0;
  13.  
  14. 		while (s.hasNext()) {
  15. 			switch (flag) {
  16. 			case 0:
  17. 				if (s.hasNextInt()) {
  18. 					pl = s.nextInt();	
  19. 				}
  20. 				flag = 1;
  21. 				break;
  22. 			case 1:
  23. 				c = s.next().toUpperCase();
  24. 				if ("LET".equals(c)) {
  25. 					flag = 2;
  26. 				} else if ("PRINT".equals(c)) {
  27.  
  28. 				}
  29. 				break;
  30. 			case 2:
  31. 				var = s.next().toUpperCase();
  32. 				flag = 3;
  33. 				break;
  34. 			case 3:
  35. 				if (!"=".equals(s.next())) {
  36. 					System.out.println("Syntax Error");
  37. 					return;
  38. 				}
  39. 				flag = 4;
  40. 				break;
  41. 			default:
  42. 				s.next();
  43. 				break;
  44. 			}
  45. 		}
  46.  
  47. 	}
  48. }
Success #stdin #stdout 0.1s 380672KB
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stdin
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1010 LET A = 1
1020 LET B = 2
1030 LET C = A + B
1040 PRINT A; "+"; B; "="; C
stdout
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Standard output is empty
https://ideone.com/Dp5924
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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