package com.packages;

import java.util.*;

public class PrintSum {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

int rows= sc.nextInt();

int col = sc.nextInt();

int[][] numbers = new int[rows][col];

int x = sc.nextInt();

for(int i=0;i<rows;i++){

for(int j=0;j<col;j++){

numbers[i][j]= sc.nextInt();

}

}

for(int i=0;i<rows;i++){

for(int j= 0;j<col;j++){

if(numbers[i][j]==x){

System.out.println( i+ " "+j+" ");

}

}

}

}

}