djrazor308

Verified answer

Program z1;
var s:string;
var i,n,f:integer;
var ch:char;
begin
writeln('Введите строку');
readln(s);
f:=0;
n:=length(s);
ch:=s[n];
for i:=1 to n do
if(s[i]=ch) then
f:=f+1;
if(f<>0) then
writeln('yes')
else writeln('no');
end.