#include <stdio.h>
int main() {
int a, b, c, d, p;
scanf("%d %d %d", &a
, &b
, &p
);
switch (p) {
case 1:
printf ("%d + %d = %d ", a
, b
, a
+ b
); break;
case 2:
printf ("%d - %d = %d ", a
, b
, a
- b
); break;
case 3:
printf ("%d * %d = %d ", a
, b
, a
* b
); break;
case 4:
c = a / b;
d = a % b;
switch (d) {
case 0:
printf ("%d ÷ %d = %d ", a
, b
, c
); break;
default:
printf("%d ÷ %d = %d 余り %d\n", a
, b
, c
, d
); break;
}
break;
}
return 0;
}
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