include

using namespace std; long long sta1[10005];//数字 char sta2[10005];//符号 int top1,top2; char s[10005]; int pri[130]; long long calc(long long a,char s,long long b){ if(s=='+')return a+b; if(s=='-')return a-b; if(s=='')return ab; if(s=='/')return a/b; if(s=='^')return pow(a,b); } int main(){ cin>>s; int len=strlen(s); s[len]='='; pri[' ']=0;pri['=']=2;pri['(']=5; pri['+']=pri['-']=10; pri['*']=pri['/']=20; pri['^']=30; sta2[++top2]=' '; while(i<=len){ if(s[i]=='('){ sta2[++top2]=s[i++]; }

}
return 0;

}