int main()

{

int x = 0, y = 0;

int result = 0;

int isfirst = 0;

char sign;


while (1)

{

if(isfirst==0)

{

scanf("%d", &x);

}


scanf("%*c%c", &sign);


if (sign == '=')

{

break;

}


scanf("%d", &y);


if (isfirst == 0)

{

if (sign == '*')

{

result = x * y;

}

else if (sign == '+')

{

result = x + y;

}

else if (sign == '-')

{

result = x - y;

}

else if (sign == '/')

{

result = x / y;

}

else

{

printf("잘못된 입력입니다.\n");

break;

}

}


if (isfirst != 0)

{

if (sign == '*')

{

result *= y;

}

else if (sign == '+')

{

result += y;

}

else if (sign == '-')

{

result -= y;

}

else if (sign == '/')

{

result /= y;

}

else

{

printf("잘못된 입력입니다.\n");

break;

}

}

isfirst++;

}

printf("%d\n", result);


return 0;