#include <stdio.h>

int main(void){
  int num;

  num = 2;
  printf("num = %d\n",num);

  switch(num){
    case 1:
    case 3:
    case 5:
    case 7:
    case 9:
      printf("数値は偶数です\n");
      break;
    case 2:
    case 4:
    case 6:
    case 8:
      printf("数値は偶数です\n");
      break;
  }

  num = 6;
  printf("num = %d\n",num);

  switch(num){
    case 1:
    case 3:
    case 5:
    case 7:
    case 9:
      printf("数値は偶数です\n");
      break;
    case 2:
    case 4:
    case 6:
    case 8:
      printf("数値は偶数です\n");
      break;
  }

  return 0;
}