import std.stdio, std.string, std.array, std.conv, std.algorithm, std.typecons, std.range, std.container, std.math, std.algorithm.searching, std.functional,std.mathspecial, std.numeric;

void main(){
    auto abc=readln.split.map!(to!int).array;
    ((abc[0]<=abc[2]&&abc[2]<=abc[1])?"Yes":"No").writeln;
}