#include <stdio.h>

void main()
{
int val;
int val2;

val = 0;
(1)

printf("valは%dです。val2は%dです。\n", val, val2 );

val += 100;
(2)

val2 = val * 5;
(3)

printf("val = [%d] val2 ={%d}\n",val,val2 );

val --;
(4)

val2 = 10 / 3;
(5)

printf("val = [%d] val2 = [%d]\n",val,val2);
}