import std.stdio,
       std.conv,
       std.string,
       std.range,
       std.math,
       std.algorithm;

void main()
{
    auto L = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    1.iota(13)
        .map!(X => 1.iota(L[X-1]+1)
              .map!(Y => X==Y/10+Y%10?1:0).sum)
        .sum
        .writeln;
}