1058. A+B in Hogwarts

#include<iostream>using namespace std;int main(){  int a[3],b[3];  scanf("%d.%d.%d%d.%d.%d",a+0,a+1,a+2,b+0,b+1,b+2);  for(int i=0;i<3;++i) a[i]+=b[i];  a[1]+=a[2]/29;a[2]%=29;  a[0]+=a[1]/17;a[1]%=17;  printf("%d.%d.%d",a[0],a[1],a[2]);}