Contest1340/A.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long A,B,C,sum=0;
    char c1,c2;
    while(~scanf("%lld%c%lld%c%lld",&A,&c1,&B,&c2,&C)){
         if(c1=='+'){
            if(A+B==C)
                sum++;
         }
         else if(c1=='-'){
            if(A-B==C)
                sum++;
         }
  
    }
    cout<<"RIGHT:"<<sum<<endl;
}