#include <iostream>
using namespace std;
const MAXSIZE=12;
const year=3;
int main()
{
 char *month[MAXSIZE]={"Janury","February","March","April","May","June","July","August","September","October","November","December"};
 int a[year][MAXSIZE];
 int sum[year]={0,0,0};
 int sumY=0;
 for(int i=0;i<year;i++)
 {
  cout<<"第"<<i+1<<"年的每个月的销量"<<endl;
  for(int j=0;j<MAXSIZE;j++)
  {
   cout<<month[j]<<": ";
   cin>>a[i][j];
   sum[i]+=a[i][j];
  }
  cout<<"第"<<i+1<<"年的总销量: "<<sum[i]<<endl;
  sumY+=sum[i];
 }
 cout<<"三年总销售量"<<sumY<<endl;
 system("pause");
 return 0;
}