1 #include<stdio.h>
2 #include<iostream>
3 #include<string>
4 using namespace std;
5
6 int main()
7 {
8 //freopen("acm.acm","r",stdin);
9 string s;
10 int pos;
11 int pos1;
12 string s1;
13 string s2;
14 string s3;
15 int i;
16 int sum1;
17 int sum2;
18 int sum3;
19 while(cin>>s)
20 {
21 sum1 = 0;
22 sum2 = 0;
23 sum3 = 0;
24 pos = s.find('+');
25 s1.assign(s.begin(),s.begin()+pos);
26 for(i = s1.length()-1; i >= 0; -- i)
27 {
28 sum1 = sum1*10 + s1[i]-'0';
29 }
30 pos1 = s.find('=');
31 s2.assign(s.begin()+pos+1,s.begin()+pos1);
32 for(i = s2.length()-1; i >= 0; -- i)
33 {
34 sum2 = sum2*10 + s2[i]-'0';
35 }
36 s3.assign(s.begin()+pos1+1,s.end());
37 for(i = s3.length()-1; i >= 0; -- i)
38 {
39 sum3 = sum3*10 + s3[i]-'0';
40 }
41 if(sum3 == sum1 + sum2)
42 cout<<"True"<<endl;
43 else
44 cout<<"False"<<endl;
45 }
46 }
