#include <stdio.h>
int main()
{
int a, b, c;
scanf("%d %d %d", &a
, &b
, &c
);
switch(c)
{
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:
switch ( a % b )
{
case 0:
printf("%d ÷ %d = %d", a
, b
, (a
/ b
)); break;
default :
printf("%d ÷ %d = %d 余り %d", a
, b
, (a
/ b
), (a
% b
) ); break;
}
}
return 0;
}
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