The number of two-digit numbers that satisfy the condition
Problem
The input of the program receives an unknown number of integers, the input ends with zero (zero is not included in the sequence). Determine how many two-digit numbers are received that end in 3.
Input
The input to the program is numbers, one number per line.
Imprint
Print the answer to the problem.
Examples
| # |
Input |
Output |
| 1 |
1
2
13
0 |
1 |
Запрещенные операторы: list; [