Program one_a;uses crt;var s1,s2:string; p,a:integer;begin readln(s1); readln(s2); p:=pos(s2,s1); if p=0 then writeln('no') else writeln('pos:',p);end.Program one_b;uses crt;var s1,s2:string; p,a:integer;begin readln(s1); readln(s2); p:=pos(s2,s1); if p=0 then writeln('no') else begin a:=length(s2); delete(s1,p,a); writeln(s1); end;end.Program one_c;uses crt;var s1,s2:string; p:integer;begin readln(s1); readln(s2); s2:=' '+s2+' '; readln(p); insert(s2,s1,p); writeln(s1);end.Program two_a;uses crt;var s1,s2,s3:string;begin s1:='край озер '; writeln(s1); s2:='лесов и рек'; writeln(s2); insert(s2,s1,length(s1)+1); writeln(s1);end.Program two_b;uses crt;var s1,s2,s3:string; p,a:integer;begin s1:='Я учусь в школе'; writeln(s1); s2:='в школе'; s3:='в 10-м классе'; p:=pos(s2,s1); a:=length(s2); delete(s1,p,a); insert(s3,s1,p+1); writeln(s1);end.Program three_a;uses crt;var s1,s2:string; p,a:integer;begin s1:='моя родина Беларусь'; writeln(s1); s2:='Беларусь'; p:=pos(s2,s1); a:=length(s2); delete(s1,p,a); s1:=s2+' '+s1; writeln(s1);end.Program three_b;uses crt;var s1,s2:string; p,a:integer;begin s1:='люблю цябе, мой родны кут'; writeln(s1); s2:='мой родны кут'; p:=pos(s2,s1); a:=length(s2); delete(s1,p,a); delete(s1,length(s2)-2,2); s1:=s2+','+s1; writeln(s1);end.Program four_a;uses crt;var s1,s2,s3:string; p,k,i,l,m:integer;begin s1:='Минск столица Беларуси'; writeln(s1); k:=0; for i:=1 to length(s1) do if copy(s1,i,1)=' ' then begin inc(k); l:=i; end; p:=pos(' ',s1); s2:=copy(s1,1,p-1); s3:=copy(s1,l+1,length(s1)-l+1); k:=length(s2); m:=length(s3); delete(s1,1,k); delete(s1,l-p+2,m); s1:=s3+s1+s2; writeln(s1);end.Program four_b;uses crt;var s1,s2,s3:string; p,k,i,l,m:integer;begin s1:='Беларусь ты моя синеокая'; writeln(s1); k:=0; for i:=1 to length(s1) do if copy(s1,i,1)=' ' then begin inc(k); l:=i; end; p:=pos(' ',s1); s2:=copy(s1,1,p-1); s3:=copy(s1,l+1,length(s1)-l+1); k:=length(s2); m:=length(s3); delete(s1,1,k); delete(s1,l-p+2,m); s1:=s3+s1+s2; writeln(s1);end.Program five_a;uses crt;var s1:string; x:integer;begin readln(s1); for x:=1 to length(s1) do if copy(s1,x,1)=' ' then begin delete(s1,x,1); insert('_',s1,x); end; writeln(s1);end.Program five_b;uses crt;var s1:string; s2:char; x,y:integer;begin readln(s1); y:=0; for x:=1 to length(s1) do begin s2:=s1[x]; if (s2<>' ') and ((ord(s2)<48) or (ord(s2)>57)) then inc(y); end; writeln(y);end.Program five_c;uses crt;var s1:string; s2:char; x,y:integer;begin readln(s1); y:=0; for x:=1 to length(s1) do begin s2:=s1[x]; if (ord(s2)<=90) and (ord(s2)>=65) then inc(y); if (ord(s2)>=192) and (ord(s2)<=223) then inc(y); end; writeln(y);end.