#include <stdio.h>

#define SIZE 2

int main(void){
  int a[SIZE][SIZE], b[SIZE][SIZE], c[SIZE][SIZE];
  int i, j;

  printf("行列 A の各要素を入力してください：\n");
  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      scanf("%d", &a[i][j]);
    }
  }

  printf("行列 B の各要素を入力してください：\n");
  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      scanf("%d", &b[i][j]);
    }
  }

  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      c[i][j] = a[i][j] + b[i][j];
    }
  }

  printf("\n");
  printf("A = \n");
  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      printf("%3d", a[i][j]);
    }
    printf("\n");
  }

  printf("\n");
  printf("B = \n");
  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      printf("%3d", b[i][j]);
    }
    printf("\n");
  }

  printf("\n");
  printf("A + B = \n");
  for ( i = 0; i < SIZE; i++ ){
    for ( j = 0; j < SIZE; j++ ){
      printf("%3d", c[i][j]);
    }
    printf("\n");
  }

  return 0;
}