import
java.util.*;
import
java.lang.*;
class
GFG{
static
void
printResult(ArrayList<Integer> result)
{
Collections.reverse(result);
int
i =
0
;
while
(i < result.size())
{
System.out.print(result.get(i));
i++;
}
}
static
void
sumOfLargeNumbers(String v[],
int
k,
int
N)
{
ArrayList<
ArrayList<Integer>> x =
new
ArrayList<>(
1000
);
for
(
int
i =
0
; i < k; i++)
x.add(
new
ArrayList<Integer>());
for
(
int
i =
0
; i < k; i++)
{
for
(
int
j =
0
; j < N; j++)
{
x.get(i).add(v[i].charAt(j) -
'0'
);
}
}
int
carry =
0
;
ArrayList<Integer> result =
new
ArrayList<>();
for
(
int
i = N -
1
; i >=
0
; i--)
{
int
sum =
0
;
for
(
int
j =
0
; j < k; j++)
sum += x.get(j).get(i);
sum += carry;
int
temp = sum;
int
count =
0
;
while
(temp >
9
)
{
temp = temp %
10
;
count++;
}
long
l = (
long
)Math.pow(
10
, count);
if
(l !=
1
)
carry = (
int
)(sum / l);
sum = sum %
10
;
result.add(sum);
}
while
(carry !=
0
)
{
int
a = carry %
10
;
result.add(a);
carry = carry /
10
;
}
printResult(result);
}
public
static
void
main (String[] args)
{
int
K =
10
;
int
N =
5
;
String arr[] = {
"1111111111"
,
"1111111111"
,
"1111111111"
,
"1111111111"
,
"1111111111"
};
sumOfLargeNumbers(arr, N, K);
}
}