Sum of Numbers

Write a program which reads an integer and prints sum of its digits.

Input

The input consists of multiple datasets. For each dataset, an integer x is given in a line. The number of digits in x does not exceed 1000.

The input ends with a line including single zero. Your program should not process for this terminal symbol.

Output

For each dataset, print the sum of digits in x.

Example

Input

123 55 1000 0

Output

6 10 1

inputFormat

Input

The input consists of multiple datasets. For each dataset, an integer x is given in a line. The number of digits in x does not exceed 1000.

The input ends with a line including single zero. Your program should not process for this terminal symbol.

outputFormat

Output

For each dataset, print the sum of digits in x.

Example

Input

123 55 1000 0

Output

6 10 1

样例

123
55
1000
0

6
10
1

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