var_n,var_k=map(int,input().split())
urra =list(map(int,input().split()))
ans=0
for i in range(1,var_n):
extra=max(0,var_k-urra[i]-urra[i-1])
urra[i]+=extra
ans+=extra
print(ans)
print(*urra)
#include <bits/stdc++.h>
using namespace std;
int main() {
int n,k;
cin>>n>>k;
int a[n];
for(int i=0;i<n;i++){
cin>>a[i];
}
int ans=0;
for(int i=1;i<n;i++){
if(a[i-1]+a[i]<k){
ans+=k-a[i]-a[i-1];
a[i]+=k-a[i]-a[i-1];
}
}
cout<<ans<<endl;
for(int i=0;i<n;i++){
cout<<a[i]<<" ";
}
}
119A - Epic Game | 703A - Mishka and Game |
1504C - Balance the Bits | 988A - Diverse Team |
1312B - Bogosort | 1616B - Mirror in the String |
1660C - Get an Even String | 489B - BerSU Ball |
977C - Less or Equal | 1505C - Fibonacci Words |
1660A - Vasya and Coins | 1660E - Matrix and Shifts |
1293B - JOE is on TV | 1584A - Mathematical Addition |
1660B - Vlad and Candies | 1472C - Long Jumps |
1293D - Aroma's Search | 918A - Eleven |
1237A - Balanced Rating Changes | 1616A - Integer Diversity |
1627B - Not Sitting | 1663C - Pōja Verdon |
1497A - Meximization | 1633B - Minority |
688B - Lovely Palindromes | 66B - Petya and Countryside |
1557B - Moamen and k-subarrays | 540A - Combination Lock |
1553C - Penalty | 1474E - What Is It |