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| #include <bits/stdc++.h>
using namespace std;
int main(){
string s;
while(cin>>s){
stack<int> stk;
for(int i=0;i<s.size();i++){
if(isdigit(s[i]))stk.push(s[i]-'0');
else{
int a = stk.top();
stk.pop();
int b = stk.top();
stk.pop();
if(s[i]=='+')stk.push(a+b);
else if(s[i]=='-')stk.push(b-a);
else if(s[i]=='*')stk.push(a*b);
else if(s[i]=='/')stk.push(b/a);
else if(s[i]=='%')stk.push(b%a);
}
}
cout<<stk.top()<<endl;
}
}
|