#include
//函數(shù),讀數(shù)操作數(shù)
int getNextNum()
{
int ret;
scanf("%d",&ret);
return ret;
}
//函數(shù),讀運(yùn)算符
char getOpt()
{
return getchar();
}
//函數(shù),計(jì)算
int caculate(int op1 ,int op2 ,char opt)
{
if(opt=='+')return op1+op2;
if(opt=='-')return op1-op2;
if(opt=='*')return op1*op2;
if(opt=='/')return op1/op2;
return 0;
}
int main()
{
int op1,op2;
char opt;
//計(jì)算結(jié)果放在第一個(gè)操作數(shù)
op1 = getNextNum();
while(1)
{
opt = getOpt();
if ( opt == '=' ) break;
op2 = getNextNum();
op1 = caculate(op1,op2,opt);
}
printf("%d\n",op1);
}
return 0;
}