编辑代码

#include <stdio.h>
int main () {
   
int left;
int right;
scanf("%d,%d",&left,&right);
printf("%d+%d=%d\n",left,right,left+right);
printf("%d-%d=%d\n",left,right,left-right);
printf("%d*%d=%d\n",left,right,left*right);
printf("%d/%d=%d\n",left,right,left/right);
printf("%d%%%d=%d\n",left,right,left%right);
printf("%d++%d=%d\n",left,right,left+right);
printf("%d--%d=%d\n",left,right,left-right);
    return 0;
}