import std.stdio,
       std.conv,
       std.string,
       std.range,
       std.math,
       std.bigint,
       std.algorithm,
       core.bitop;

void main()
{
    auto S = readln.strip.to!(dchar[]);

    S.count!`a=='…'` == 0
        ? 0.writeln
        : S.map!(a => (a!='…'?' ':'…').to!dchar).array.split
            .map!"a.length"
        .reduce!max.writeln;
}