program my;
var x,y:integer;
begin
readln(x);
y:= 7*x+5;
writeln(y)
end.
# python
x = 2
y = 7*x+5
print(y)
program my;
var x,y:integer;
begin
readln(x);
y:= 7*x+5;
writeln(y)
end.
# python
x = 2
y = 7*x+5
print(y)