#include <stdio.h>
int main() {
int num1, num2, mode;
scanf("%d %d %d", &num1
, &num2
, &mode
);
switch(mode) {
case 1:
printf("%d + %d = %d\n", num1
, num2
, num1
+ num2
); break;
case 2:
printf("%d - %d = %d\n", num1
, num2
, num1
- num2
); break;
case 3:
printf("%d * %d = %d\n", num1
, num2
, num1
* num2
); break;
case 4:
if (num1 % num2 == 0) {
printf("%d / %d = %d\n", num1
, num2
, num1
/ num2
); } else {
printf("%d / %d = %d 余り %d\n", num1
, num2
, num1
/ num2
, num1
% num2
); }
break;
}
return 0;
}
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