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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.math.*;
  4. import java.io.*;
  5.  
  6. import static java.lang.Math.*;
  7. import static java.util.Arrays.*;
  8.  
  9. public class A{
  10. 	Scanner sc=new Scanner(System.in);
  11.  
  12. 	int INF=1<<28;
  13. 	double EPS=1e-9;
  14.  
  15. 	String[] adjs={"lios", "liala"};
  16. 	String[] nouns={"etr", "etra"};
  17. 	String[] verbs={"initis", "inites"};
  18.  
  19. 	void run(){
  20. 		String[] ss=sc.nextLine().split(" ");
  21. 		if(match(ss, 0)||match(ss, 1)){
  22. 			println("YES");
  23. 		}else{
  24. 			println("NO");
  25. 		}
  26. 	}
  27.  
  28. 	boolean match(String[] ss, int gender){
  29. 		if(ss.length==1){
  30. 			if(ss[0].endsWith(adjs[gender])||ss[0].endsWith(nouns[gender])
  31. 					||ss[0].endsWith(verbs[gender])){
  32. 				return true;
  33. 			}
  34. 		}
  35.  
  36. 		int state=1;
  37. 		for(String s : ss){
  38. 			if(state==1){
  39. 				if(s.endsWith(adjs[gender])){
  40. 					state=1;
  41. 				}else if(s.endsWith(nouns[gender])){
  42. 					state=2;
  43. 				}else{
  44. 					return false;
  45. 				}
  46. 			}else if(state==2){
  47. 				if(s.endsWith(verbs[gender])){
  48. 					state=2;
  49. 				}else{
  50. 					return false;
  51. 				}
  52. 			}
  53. 		}
  54. 		return state==2;
  55. 	}
  56.  
  57. 	void println(String s){
  58. 		System.out.println(s);
  59. 	}
  60.  
  61. 	void print(String s){
  62. 		System.out.print(s);
  63. 	}
  64.  
  65. 	void debug(Object... os){
  66. 		System.err.println(Arrays.deepToString(os));
  67. 	}
  68.  
  69. 	public static void main(String[] args){
  70. 		new A().run();
  71. 	}
  72. }
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https://ideone.com/VFITb
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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