def find_element_position(n, m, matrix): for i in range(n): for j in range(n): if matrix[i][j] == m: return i + 1, j # 因为题目要求输出的行列索引从1开始 return -1 # 读取输入 n, m = map(int, input().split()) matrix = [] for _ in range(n): matrix.append(list(map(int, input().split()))) # 调用函数并打印输出 position = find_element_position(n, m, matrix) if position == -1: print(-1) else: print(position[0], position[1])