#include <stdio.h>
int main() {
int num1, num2, enzan;
if (scanf("%d %d %d", &num1
, &num2
, &enzan
) != 3) { return 1;
}
switch (enzan) {
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;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbigpIHsKICAgIGludCBudW0xLCBudW0yLCBlbnphbjsKCiAgICBpZiAoc2NhbmYoIiVkICVkICVkIiwgJm51bTEsICZudW0yLCAmZW56YW4pICE9IDMpIHsKICAgICAgICByZXR1cm4gMTsKICAgIH0KCiAgICBzd2l0Y2ggKGVuemFuKSB7CiAgICAgICAgY2FzZSAxOgogICAgICAgICAgICBwcmludGYoIiVkIO+8iyAlZCDvvJ0gJWRcbiIsIG51bTEsIG51bTIsIG51bTEgKyBudW0yKTsKICAgICAgICAgICAgYnJlYWs7CgogICAgICAgIGNhc2UgMjoKICAgICAgICAgICAgcHJpbnRmKCIlZCDvvI0gJWQg77ydICVkXG4iLCBudW0xLCBudW0yLCBudW0xIC0gbnVtMik7CiAgICAgICAgICAgIGJyZWFrOwoKICAgICAgICBjYXNlIDM6CiAgICAgICAgICAgIHByaW50ZigiJWQgw5cgJWQg77ydICVkXG4iLCBudW0xLCBudW0yLCBudW0xICogbnVtMik7CiAgICAgICAgICAgIGJyZWFrOwoKICAgICAgICBjYXNlIDQ6CiAgICAgICAgICAgIGlmIChudW0xICUgbnVtMiA9PSAwKSB7CiAgICAgICAgICAgICAgICBwcmludGYoIiVkIMO3ICVkIO+8nSAlZFxuIiwgbnVtMSwgbnVtMiwgbnVtMSAvIG51bTIpOwogICAgICAgICAgICB9IGVsc2UgewogICAgICAgICAgICAgICAgcHJpbnRmKCIlZCDDtyAlZCDvvJ0gJWQg5L2Z44KKICVkXG4iLCBudW0xLCBudW0yLCBudW0xIC8gbnVtMiwgbnVtMSAlIG51bTIpOwogICAgICAgICAgICB9CiAgICAgICAgICAgIGJyZWFrOwogICAgfQoKICAgIHJldHVybiAwOwp9