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import java.util.*;  
  
public class Main {  
  
    public static void main(String[] args) {  
        Scanner scn = new Scanner(System.in);  
        int n=scn.nextInt(),arr[][]=new int [n][3],i;  
        ArrayList <Integer>list =new ArrayList<Integer>();
        for(i=0;i<n;i++){  
            arr[i][0]=scn.nextInt();  
            arr[i][1]=scn.nextInt();  
            arr[i][2]=scn.nextInt();  
        }  
        for(i=0;i<3;i++){
        	if(n==1){
        		System.out.println("1");
        		break;
        	}
            int ary[]=new int [n];  
            for(int j=0;j<n;j++){
            	if(!list.contains(j))
                ary[j]=arr[j][i];  
            }  
            Arrays.sort(ary);  
            if(ary[n-1]==ary[n-2]){
            	 for(int j=0;j<n;j++){
            		 if(arr[j][i]!=ary[n-1])
            			 list.add(j);
            	 }
               }
            else{  
                for(int k=0;k<n;k++){  
                    if(arr[k][i]==ary[n-1]){  
                        System.out.println(arr[k][3]);  
                    }  
                          
                }  
                break;  
            }  
        }  
        if(i==3)  
            System.out.println("Fail");  
    }  
}