Program ed;
uses crt;
var i,a,b,c,d,t,max:integer;


Begin
writeln('vvedi pervoe chislo');
readln(a);
writeln('vvedi vtoroe chislo');
readln(b);
writeln('vvedi tretie chislo');
readln(c);
if a>=b then max:=a
else max:=b;
if c>max then max:=c;
writeln(max);
readln;
End.