#include<stdio.h>
main (void)
{
long a,b,c;

printf("\t\t\t----------DenDen 2----------\n");
printf("\t\t\t                  (C) ＠tkhm\n\n");

printf("\t\t\t 加減算を行います。\n");
printf("\t\t\t 計算したい３数を入力してください。\n");

printf("\t\t\t→1) ");
scanf("%ld",&a);

printf("\t\t\t→2) ");
scanf("%ld",&b);

printf("\t\t\t→3) ");
scanf("%ld",&c);

printf("\t\t\t-----Answer-----\n");
printf("\t\t\t%ld＋%ld＋%ld=%ld\n",a,b,c,a+b+c);
printf("\t\t\t%ld＋%ld−%ld=%ld\n",a,b,c,a+b-c);
printf("\t\t\t%ld−%ld＋%ld=%ld\n",a,b,c,a-b+c);
printf("\t\t\t%ld−%ld−%ld=%ld\n",a,b,c,a-b-c);

printf("\t\t\t  終了しますw\n");
}